Faruq Codes

You probably tried to upload too large file – phpmyadmin

2011-12-28T21:20:00.002+05:30

Here are the solutions to solve the problem:

1. Increase the values for upload_max_filesize, memory_limit and post_max_size directories in php.ini as per requirements and restart the server

2. You can upload large sql files by changing some configuration settings in C:\xampp\phpmyadmin\config.inc.php file.

Open the config.inc.php file and look for $cfg['UploadDir'] and update it as $cfg['UploadDir'] = "upload". If you dont find just open a config.sample.inc.php and copy that line and paste into your actuall config.inc.php file and update as i mentioned above. Finally it will be:

$cfg['UploadDir'] = "upload"

Save the file and create upload folder under phpmyadmin folder.

C:\xampp\apps\phpmyadmin\upload\

Then copy your all .sql files into this folder.

Now when you go to phpmyadmin import page you will see a drop down with list of .sql files below the browse button.

You can now select this and begin the import.

If your having problem in Windows 7 and 32 bit system you need verify that your values should be under 2048M, then only it will work.

Reason:

"The largest signed integer for a 32bit operating system is -2,147,483,647 - 2,147,483,647 since 2048M = 2147483648 bytes, it was going higher than it could calculate, so it was defaulting to a negative integer. Hence the reason why the log file states -2147483648 bytes."

If you get Script timeout passed, if you want to finish import, please resubmit same file and import will resume.

add $cfg['ExecTimeLimit'] = 0; this line in config.inc.php file.
By default setting for ExecTimeLimit is 300 seconds.

Strip only given Tags PHP

2011-10-03T21:13:00.004+05:30

/**
*
* @param String $str
* @param tags which needs to be strip $tags
* @param boolean $stripContent
* @return string
*/
function strip_only_tags($str, $tags, $stripContent=false) {
    $content = '';
    if(!is_array($tags)) {
        $tags = (strpos($str, '>') !== false ? explode('>', str_replace('<', '', $tags)) : array($tags));
        if(end($tags) == '') array_pop($tags);
    }
    foreach($tags as $tag) {
        if ($stripContent)
             $content = '(.+</'.$tag.'(>|\s[^>]*>)|)';
         $str = preg_replace('#</?'.$tag.'(>|\s[^>]*>)'.$content.'#is', '', $str);
    }
    return $str;
}

Remove array Element based on key value PHP

2011-10-03T21:11:00.002+05:30

/**
* Remove array Element based on key value
* @param $arr
* @param $key
* @return array
*/
function array_pop_by_key($arr, $key) {
    $array_keys = array_keys($arr);
    foreach($arr as $array_key => $value) {
        if($array_key == $key) {
            unset($arr[$key]);
        }
    }
    return $arr;

}

Get Drupal Logo Path

2011-09-06T15:19:00.002+05:30

Below is the code to get the Active site logo path in Drupal:

$logo = theme_get_setting('logo');

Add Input Format to Textarea in Custom Module

2011-07-21T19:55:00.002+05:30

To apply input formats to any textarea in our custom module forms we can use below code:

$form['format'] = filter_form(FILTER_FORMAT_DEFAULT);

example:
$form['body'] = array(
    '#type' => 'textarea',
    '#title' => t('Body'),
    '#default_value' => 'sample',
);
$form['format'] = filter_form(FILTER_FORMAT_DEFAULT);

If you are creating Textarea under Fieldset then we have to apply filedset name to that format element as array like:

$form['filedset']['format'] = filter_form(FILTER_FORMAT_DEFAULT);

Free Google plus invitation

2011-07-12T20:01:00.000+05:30

Send me your Email Id's for Free Google Plus Invitaion...

PGECET 2011 OU Results

2011-07-03T23:10:00.000+05:30

for PGECET 2011 OU resulsts click below link

PGECET-2011

Drupal Module List

2011-06-22T15:22:00.000+05:30

Here is the link where you can find all the module list based on the usage per week.

http://drupal.org/project/usage

Below you can find the video which explains the usage of the each module in real time.

http://gotdrupal.com/videos/top-drupal-modules

Reset admin(uid = 1) password in drupal 7

2011-06-20T11:57:00.000+05:30

When the password for the user to Drupal (the administrator) is lost and the e-mail notification does not work, you can set the password via an SQL query.

But you must first generate a password hash that apply to your site.

Run the following commands from the command line, in the Drupal root directory:
For Linux:
./scripts/password-hash.sh newpassword

For Windows:
php .\scripts\password-hash.sh newpassword

Then it will generate the Hash Password which somethink like
$S$CTo9G7Lx28rzCfpn4WB2hUlknDKv6QTqHaf82WHTsTHiod

Then execute the following query on the Drupal database:
UPDATE users SET pass ='thepasswordhash' WHERE uid = 1;

OR you can use below code to get the Password:

require_once 'includes/password.inc';
echo user_hash_password('newpassword');
die();

Add above lines in index.php below this
drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);

And refresh it .

Downloaded modules not showing up Drupal

2011-06-17T12:07:00.002+05:30

There are mant reasons to not displaying downloaded modules in admin->site_build->modules. I f you face similar issue then please check below methods to resolve it

Run Cron Manually
Apply Permission to 755 to modules folder
Check whether same module is existing with other name(Check file names in side the module folder)
safe_mode should be OFF(check in phpinfo())

Run Linux on Windows Using VMWare Player

2011-06-10T19:28:00.002+05:30

Here is the Good article links which explains clearly how can we install Linux on windows like any other Program using VMWare Player

http://www.lifehack.org/articles/technology/beginners-guide-run-linux-like-any-other-program-in-windows.html

http://www.makeuseof.com/tag/3-ways-to-install-linux-on-windows-or-mac/

Get Firefox Bookmarks from Hard Drive

2011-06-10T19:19:00.000+05:30

If you see files on your hard drive, you can get the HTML file that stores all bookmarks. It is stored in the Profiles folder created by Mozilla.

In Windows XP/2000
C:\Documents and Settings\username\Application Data\Mozilla\Firefox\Profiles\xxxxx.default

In Windows Vista
C:\Users\username\AppDataRoaming\Mozilla\Firefox\Profiles\xxxxxxxx.defaultbookmarks.html

In Windows 98 & ME
C:\WINDOWS\Application Data\Mozilla\Firefox\Profiles\xxxxxxxx.defaultbookmarks.html

You can import bookmarks and the location of files from your old hard drive in Firefox or IE on your computer.

Implement Start Number and End Number of the Search Results in Drupal

2011-06-10T16:10:00.000+05:30

Here is the code for implement start result and end result of the search results in Drupal.
First we need to define Global variables of the Pager.

global $pager_page_array, $pager_total, $pager_total_items;

//establish page variables
$total_pages = $pager_total['0'];
$total_page_count = $total_pages - 1;
//approx number of results based on page count
$approx_results = $total_pages * 10;
//calculate range
$page_number = $pager_page_array['0'];
$start_result = $page_number * 10 + 1;
$end_result = $page_number * 10 + 10;

Customize "Your search yielded no results" Text in Search Results Drupal

2011-06-10T16:01:00.002+05:30

Below is the sample code for customizing the "Your search yielded no results" message in Template.php file

function theme_name_box($title, $content, $region = 'main') {

if ($title == 'Your search yielded no results')

{

$title = 'Sorry, we couldn\'t find what you were looking for';
$content = 'Check if your spelling is correct.';
}

$output = '<div style="margin:10px"><h3>'. $title .'</h3>'. $content .'</div>';

return $output;

}

Ajax Module With Image Button Drupal

2011-06-08T19:47:00.000+05:30

If you are using Ajax module for Drupal Forms which having image button, then you can not submit the form.
To fix that kind of issue then we have to use '#button_type' => 'submit ajax-trigger', attribute to submit button. Below is the sample code...

$path = drupal_get_path('theme', 'tradenet').'/images/image_button.png';
      $form['#ajax'] = array(
        'enabled' => TRUE
      );
      $form['submit'] = array(
             '#type' => 'image_button',
             '#access' => 1,
             '#button_type' => 'submit ajax-trigger',
             '#src'=>$path,
             '#ajax' => array('submitter' => TRUE ),


          );

Remove colon from label Drupal

2011-06-08T15:17:00.001+05:30

To remove Colon from label for form elements just add this below code in to your template.php of the active theme. And replace Theme with your theme name. You can find Original code at

includes/form.inc

function theme_form_element($element, $value) {
  // This is also used in the installer, pre-database setup.
  $t = get_t();

  $output = '

if (!empty($element['#id'])) {
    $output .= ' id="'. $element['#id'] .'-wrapper"';
}
$output .= ">\n";
$required = !empty($element['#required']) ? '*' : '';

if (!empty($element['#title'])) {
    $title = $element['#title'];
    if (!empty($element['#id'])) {
      $output .= ' '. $t('!title !required', array('!title' => filter_xss_admin($title), '!required' => $required)) ."\n";
    }
    else {
      $output .= ' '. $t('!title !required', array('!title' => filter_xss_admin($title), '!required' => $required)) ."\n";
    }
}

$output .= " $value\n";

if (!empty($element['#description'])) {
    $output .= '

'. $element['#description'] ."

\n";
}

$output .= "

\n";

return $output;
}

Drupal 7 supports RDF

2011-06-03T12:40:00.001+05:30

RDF (Resource Description Framework), which is a standard for encoding metadata and other information on the Semantic Web. In the Semantic Web, data processing applications using the dissemination of structured information in a decentralized and distributed all over the web today. RDF is an abstract, how to break information into separate pieces, and even if it is more popularly known in / RDF XML syntax, RDF can be stored in different formats. This article discusses the abstract RDF model, two specific serialization formats such as RDF is used and how it differs from the standard XML, the higher the level of the RDF semantics, best practices, implementation and querying RDF data sources.

Here are the some good Video Tutorials about RDF:

PhpPgAdmin First time Login Problem

2011-06-03T11:29:00.001+05:30

A problem that occurs very often the error message "Access is prohibited for safety reasons," which occurs when a user tries to access a blank password, a common (presumably well-protected) on development machines. For such access, set ['extra_login_security'] to FALSE in the conf/config.inc.php.

['extra_login_security'] = false;

Configure PostgreSQL in WAMP Server

2011-06-01T11:58:00.003+05:30

Here is the good PDF file which explains how to install PostgreSQL in WAMP server.

Installing-WampServer2-0c-With-PostgreSQL

If you are using php 5.2.6, there is some problem in adapter of php5.2.6, thats it is unable connect to PostgreSQL. For making connection we are using adapter of php5.2.5. you can download dll files using below link if you dont find in online.

php5.2.4 dll files

OSMANIA UNIVERSITY APSCHE PGECET 2011 EXAM HALL TICKETS, ADMIT CARD DOWNLOAD NOW

2011-05-30T17:53:00.000+05:30

Here is the Link for downloading the PGECET 2011 examination Hall tickets Online..

http://202.53.85.199/oupgecet2011/

Write ASCII codes in Text Editors

2011-05-25T15:30:00.001+05:30

To write some charecters, letters or symbols which are not available in our keyboard, portable personal computers, notebooks, laptops, etc.. we can print using ASCII code.
Below is the example to print symbols.

1) Open your favourite Text Editor.

2) Press the "ALT KEY" in your keyboard and hold it, do not release the key.

3) In the numeric keypad type the numbers "131", that correspond to the ASCII code for the character, letter or symbol "â" .

4) Release "ALT KEY" to Print ASCII Code.

Here is the link for detailed information

Google SMS Channels: Send SMS Text Messages to your Group for Free

2011-05-14T15:27:00.000+05:30

Now we can send SMS to our mobile numbers for free. Google has introduced service called Google SMS Channels. Using this service you can subscribe to news alerts, blog updates and other kinds of information like horoscopes, jokes, stocks or even cricket scores via SMS text messages.

Here you can Subscribe to Service.

For more information Click Here.

Apply a patch to a drupal Module from Windows

2011-05-12T15:53:00.000+05:30

Using Eclips we can easily apply patch to drupal module.Below are the steps..

Eclipse
To apply patches to code using Eclipse:

1. Menu > windows > open perspective > others > team synchronizing
2. Open the patch file, select all text and copy it to clipboard (Ctrl+ C)
3. Menu > project > apply patch
4. Select clipboard, click next, select the file you want to patch, click finish or next to setup patching options.

Free Download Ebook

2011-05-07T19:18:00.002+05:30

Here is the good URL for downloading free ebooks
http://123techbooks.co.cc

28 HTML5 Features, Tips, and Techniques

2011-05-05T21:48:00.004+05:30

Here are the 28 new features coming with HTML5.Presently Chrome, IE9 and Firefox4 supporting HTML5.

New Doctype

The Figure Element

Redefined

No More Types for Scripts and Links

To Quote or Not to Quote.

Make your Content Editable

Email Inputs

Placeholders

Local Storage

The Semantic Header and Footer

More HTML5 Form Features

Internet Explorer and HTML5

hgroup

Required Attribute

Autofocus Attribute

Audio Support

Video Support

Preload Videos

Display Controls

Regular Expressions

Detect Support for Attributes

Mark Element

When to Use a

What to Immediately Begin Using

What is Not HTML5

The Data Attribute

The Output Element

Create Sliders with the Range Input

Please click here to know detail information.

Good Video for HTML5 beginners

More URL's:

http://net.tutsplus.com/sessions/html5-and-you/
http://net.tutsplus.com/tutorials/html-css-techniques/quick-tip-new-html5-form-features/

20 things about Browsers

2011-04-27T20:27:00.000+05:30

To know more about browsers and web just go through with below link...

http://www.20thingsilearned.com/

Eliminate Viruses from Your Pen Drive

2011-04-07T21:38:00.002+05:30

Published on February 5, 2009
An easy way for computers get a virus is from the use of pen drives (also known as USB devices or flash drives). Many viruses like the Ravmon virus and Heap41, which is a worm, are not detected by the usual anti-virus software. These viruses spread rapidly through USB devices. Suma Munireddy—our Employee Journalist from Bangalore—sent us a useful tip on how to protect your computer from viruses spread through USB devices.
1. Plug your pen drive or USB device to the computer.
2. After a few moments, a dialog box will pop up. Ignore this dialog box by clicking Cancel.
3. Now go to Start --> Run and type cmd to open the Command Prompt window.
4. In the Command window, type the USB drive letter and then press Enter. For instance, the drive letter for your USB device may be “E:” In this case, type “E:” in the Command window and press Enter.
5. Then, type dir/w/o/a/p and press Enter.
You will now get a list of files. In the list, see if you have any of the following:

* Autorun.inf
* New Folder.exe
* Bha.vbs
* Iexplore.vbs
* Info.exe
* New_Folder.exe
* Ravmon.exe
* RVHost.exe
* Any other files with .exe extension
If you notice any of the files above, type attrib -h -r -s -a *.* and press Enter.
Now delete each of the above files by typing the following command: del "filename" (for instance, del autorun.inf).
That’s all there is to it! Now just scan your USB drive with the anti-virus software you have to ensure that your pen drive is really free of all viruses.

extend CCK-fields with custom formatters

2011-03-18T23:12:00.001+05:30

We can create new custom formatter for CCK fields using hook_field_formatter_info(), below is the example

/**
* Implementation of hook_field_formatter_info().
*/function myModule_field_formatter_info() {
  $formatters = array();
  if (module_exists('filefield')) {
      $formatters['myFormatter'] = array(
        'label' => t('My Formatter'),
        'field types' => array('filefield'),
        'multiple values' => CONTENT_HANDLE_CORE,
      );
  }
  return $formatters;
}
/**
* Theme function for myFormatter from hook_field_formatter_info.
* @param $element
*   an array of formatter info and the item to theme. look in $element['#item'] for the field item to theme.
*/function theme_myModule_formatter_myFormatter($element) {
  return "themed element";  
}
/**
* Implementation of hook_theme().
*/function myModule_theme($existing, $type, $theme, $path) {
  return array(
    'myModule_formatter_myFormatter' => array(
      'arguments' => array('element' => NULL),
    ),
  );
}?>

Find number of weeks in a Year

2011-03-16T21:29:00.000+05:30

$weeks_in_year = strftime("%W",strtotime("12/31/".date('Y')));

Get number of weeks between 2 dates

2011-02-18T23:57:00.000+05:30

function weeks_between($datefrom, $dateto)

{

$datefrom_arr = explode("-", $datefrom);

$datefrom = mktime(0,0,0,$datefrom_arr[1], $datefrom_arr[2], $datefrom_arr[0]);

//echo date('Y-m-d',mktime(0,0,0,$datefrom_arr[1], $datefrom_arr[2]+7, $datefrom_arr[0]));

$dateto_arr = explode("-",$dateto);

$dateto = mktime(0,0,0,$dateto_arr[1], $dateto_arr[2], $dateto_arr[0]);

$day_of_week = date("w", $datefrom);

$fromweek_start = $datefrom - ($day_of_week * 86400) - ($datefrom % 86400);

$diff_days = days_between($datefrom, $dateto);

$diff_weeks = intval($diff_days / 7);

$seconds_left = ($diff_days % 7) * 86400;

if( ($datefrom - $fromweek_start) + $seconds_left > 604800 )

$diff_weeks ++;

return $diff_weeks;

}

function days_between($datefrom,$dateto){

$fromday_start = mktime(0,0,0,date("m",$datefrom),date("d",$datefrom),date("Y",$datefrom));

$diff = $dateto - $datefrom;

$days = intval( $diff / 86400 ); // 86400 / day

if( ($datefrom - $fromday_start) + ($diff % 86400) > 86400 )

$days++;

return $days;

}

Send Text Messages with PHP

2011-01-28T21:42:00.001+05:30

PText messaging has become extremely widespread throughout the world — to the point where an increasing number of web applications have integrated SMS to notify users of events, sales or coupons directly through their mobile devices.

For more Information:

http://net.tutsplus.com/tutorials/php/how-to-send-text-messages-with-php/

Introduction to creating desktop applications with PHP and Titanium

2011-01-28T21:25:00.002+05:30

We can now create desktop applications without learning a completely new programming language! That is with the help of a free and open source tool called "Titanium". Whats more you will use your existing CSS and Javascript and PHP knowledge.

For more Information Visit:

http://www.sanisoft.com/blog/2011/01/03/introduction-to-creating-desktop-applications-with-php-and-titanium/

drupal_set_message() in user_logout

2010-11-15T22:33:00.001+05:30

http://drupal.org/node/754560

   $cookieParams = session_get_cookie_params();
    session_start();
    session_set_cookie_params($

cookieParams);
// Load the anonymous user
$user = drupal_anonymous_user(session_id());
drupal_set_message(t('You have successfully logged out of the system. Enter your Username and Passwords below to login again.'));

drupal_get_form() for returning a node form

2010-10-28T16:25:00.003+05:30

// required for Drupal 6
module_load_include('inc', 'node', 'node.pages');
// which nodeform you want
$node_type = 'YOURNODETYPE';
$form_id = $node_type . '_node_form';
// maybe add current users info
global $user;
// create a blank node

$node->uid = $user->uid;
$node->name = (isset($user->name) ? $user->name : '');
$node->type = $node_type;

// Invoke hook_nodapi and hook_node
node_object_prepare($node);
// Or you can also use an exiting node, for example
// $node = node_load(123);
// and the display the form:
$output = drupal_get_form($form_id, $node);

---------------------------------------------------------------------------------------
For User Edit Form:

include_once drupal_get_path('module', 'user') . '/user.pages.inc';
global $user;
$output = "";
$account = user_load($user->uid);
$category = 'account';
// print_r($userInfo);
$output = drupal_get_form('user_profile_form', $account, $category);
return $output;

Install Adobe Reader (acroread) on Fedora 12 and Fedora 13

2010-09-22T02:16:00.000+05:30

http://macintoshbrasil.com/2010/06/10/install-adobe-acrobat-pdf-reader-on-fedora-centos-red-hat-rhel/

Enable the New Google Search

2010-09-14T16:08:00.001+05:30

1. Go to Google.com.
2. Once it loads, enter this code into your web browser's URL address field:

javascript:void(document.cookie="PREF=ID=20b6e4c2f44943bb:U=4bf292d46faad806:TM=1249677602:LM=1257919388:S=odm0Ys-53ZueXfZG;path=/; domain=.google.com");

There shouldn't be any http://google.com in front of that. Just that code.

3. Hit enter.
4. Reload or open a new Google.com page and you will have access to the new user interface.

get the Next Auto Increment number in Mysql

2010-09-06T13:07:00.000+05:30

$query = mysql_query("SELECT MAX(id) FROM `table`");
$results = mysql_fetch_array($query);
echo $results["Auto_increment"];

Drupal l() With complex link with image Example

2010-09-03T16:12:00.003+05:30

$img = '< img src="'.$base_path . $directory . '/images/rssIcon.png" >';
l($img, 'user/3', array('attributes' => array('class' => 'link', 'id' => 'xxx', 'title' => 'Title'), 'html' => 'true'));

IEs4Linux (Fedora)

2010-08-26T20:42:00.001+05:30

Open a terminal. Log in as root to install wine and cabextract:

yum -y install wine*
yum -y install cabextract

Logout and install IEs 4 Linux with your normal user account:

wget http://www.tatanka.com.br/ies4linux/downloads/ies4linux-latest.tar.gz
tar zxvf ies4linux-latest.tar.gz
cd ies4linux-*
./ies4linux

Installing rar and unrar programs in Linux or Unix

2010-08-24T12:41:00.002+05:30

Under Debian Linux, you can use the same apt-get method as follows to install unrar program:

$ apt-get install unrar

If you are using Fedora core Linux then use yum command as follows:

$ yum install unrar

If you are using FreeBSD, you can use:

$ pkg_add -v -r unrar

If any of above, methods is not working, you can download binary package from official rarlab site and choose the right package for your machine... for example, i chose the latest (by the time i write this post):

$ cd /tmp
$ wget http://www.rarlab.com/rar/rarlinux-3.7.1.tar.gz

then untar the file:

$ tar -zxvf rarlinux-3.7.1.tar.gz

Both rar and unrar commands are located in rar sub-directory. Just go to rar directory:

$ cd rar
$ ./unrar

Now copy rar and unrar to /bin directory:

$ cp rar unrar /bin

Then you can use the same method on creating and extracting rar files in linux in my previous post.

Another thing to add, you can also test the integrity of archive, with this command:

$ unrar t filename.rar

or list the files inside the rar file using this command:

$ unrar l filename.rar

Export Database Data to .XLS in PHP

2010-08-12T20:40:00.002+05:30

$DB_Server = "localhost"; //your MySQL Server $DB_Username = "username"; //your MySQL User Name $DB_Password = "password"; //your MySQL Password $DB_DBName = "databasename"; //your MySQL Database Name

$DB_TBLName = "users";           //your MySQL Table Name
$ttype = $DB_TBLName;

$sql = "Select * from $DB_TBLName";

$Connect = @mysql_connect($DB_Server, $DB_Username, $DB_Password)
    or die("Couldn't connect to MySQL:
" . mysql_error() . "
" . mysql_errno());
//select database
$Db = @mysql_select_db($DB_DBName, $Connect)
    or die("Couldn't select database:
" . mysql_error(). "
" . mysql_errno());
//execute query
$result = @mysql_query($sql,$Connect)
    or die("Couldn't execute query:
" . mysql_error(). "
" . mysql_errno());

    while($row = mysql_fetch_row($result))
    {
           $data = $row;

    }

Codeigniter Layout Library

2010-08-05T11:07:00.000+05:30

Create Layout.php in libraries(/application/libraries/Layout.php) folder and copy the below code in the file

< ?php if (!defined('BASEPATH')) exit('No direct script access allowed'); class Layout { var $obj; var $layout; function Layout($layout = "layout_main") { $this->obj =& get_instance();
$this->layout = $layout;
}

function setLayout($layout)
{
$this->layout = $layout;
}

function view($view, $data=null, $return=false)
{
$loadedData = array();
$loadedData['content_for_layout'] = $this->obj->load->view($view,$data,true);

if($return)
{
$output = $this->obj->load->view($this->layout, $loadedData, true);
return $output;
}
else
{
$this->obj->load->view($this->layout, $loadedData, false);
}
}
}
? >

Then load your library in your controller

You can use it in two ways. First and obvious is to place the following line in the controller’s constructor function.

$this->load->library('layout', 'layout_main');

The second is by enabling codeIgniter to autoload the library by editing /application/config/autoload.php

$autoload['libraries'] = array('layout');

in your controller you may do this:

$this->layout->view('welcome_message');

Master layout

/application/views/layout_main.php
Your view file must use $content_for_layout. For example:

<html>
<head>
<title><?=$title_for_layout?></title>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<link rel="stylesheet" href="/css/main.css" type="text/css" />
</head>
<body>
<div id="pagewidth" >
<div id="header" ><img src="/images/header.jpg" width="700" height="200"></div>
<div id="wrapper" class="clearfix" >
    <div id="twocols" class="clearfix">
      <?php echo $content_for_layout?>
    </div>
</div>
<div id="footer" > Footer </div>
</div>
</body>
</html>

Add JS and CSS files in *.tpl.php in Drupal6

2010-08-02T19:59:00.001+05:30

function yourtheme_preprocess_node(&$variables) {
if ($your_condition) {
drupal_add_css(path_to_theme(). "/filename.css", "theme");
$variables['styles'] = drupal_get_css();

drupal_add_js(file_directory_path() .'/javascript.js', 'inline');
$vars['scripts'] = drupal_get_js();
}
}

Install Google Chrome with YUM on Fedora 13, Red Hat

2010-07-26T16:26:00.000+05:30

Add following to /etc/yum.repos.d/google.repo file:
32-bit

[google]
name=Google - i386
baseurl=http://dl.google.com/linux/rpm/stable/i386
enabled=1
gpgcheck=1
gpgkey=https://dl-ssl.google.com/linux/linux_signing_key.pub

64-bit

[google64]
name=Google - x86_64
baseurl=http://dl.google.com/linux/rpm/stable/x86_64
enabled=1
gpgcheck=1
gpgkey=https://dl-ssl.google.com/linux/linux_signing_key.pub

Note: Both 32-bit and 64-bit repos can be placed in the same file.

## Install Google Chrome Stable version
yum install google-chrome-stable

## OR install Google Chrome Beta version##
yum install google-chrome-beta

## OR install Google Chrome Unstable version##
yum install google-chrome-unstable

Simpletest: submitFormByName

2010-07-01T12:10:00.004+05:30

The SimpleTest PHP unit tester and web test framework.It has support for SSL, forms, frames, proxies and basic authentication. The idea is that common but fiddly PHP tasks, such as logging into a site, can be tested easily.

Unfortunately Simpletest doesnot provide a function for submit a form with its Name.But we can implement this function by 3 small changes in 3 different files.

1)browser.php
        In this add below code

    function submitFormByName($name) {
        if (! ($form = &$this->_page->getFormByName($name))) {
            return false;
        }
        $success = $this->_load(
                $form->getAction(),
                $form->submit());
        return ($success ? $this->getContent() : $success);
    }

2)Page.php
        Add below function

    function &getFormByName($name) {
        for ($i = 0; $i < count($this->_complete_forms); $i++) {
            if ($this->_complete_forms[$i]->getName() == $name) {
                return $this->_complete_forms[$i];
            }
        }
        $null = null;
        return $null;
    }

3)Form.php

         Here u have to declare variable caleed
                     $this->_name = $tag->getAttribute('name');
        in constructor(SimpleForm) then add the function

    function getName() {
        return $this->_name;
    }

Thats all. Now you can submit a form with its name also.

Perl: Getting Started

2010-06-22T17:47:00.001+05:30

Here is the good link for Perl beginners.

http://www.cgi101.com/book/ch1/text.html

Perl is a simple, easy to learn language, yet powerful enough to accomplish very difficult and complex tasks. It is widely available, and is probably already installed on your Unix server. You don't need to compile your Perl programs; you simply write your code, save the file, and run it (or have the web server run it). The program itself is a simple text file; the Perl interpreter does all the work. The advantage to this is you can move your program with little or no changes to any machine with a Perl interpreter. The disadvantage is you won't discover any bugs in your program until you run it..............

Highlight Search Words

2010-06-17T12:30:00.000+05:30

String Manipulation

This first method will highlight all the occurances of the string and is case sensitive. It uses str_replace to do the required manipulation but has faults in not being able to tell the difference between PHP and PHPRO. It will highlight the text "PHP" and "PHP"RO which may be the desired result.

 
<?php

/** 
 * 
 * @highlight words 
 * 
 * @param string $string 
 * 
 * @param array $words 
 * 
 * @return string 
 * 
 */
 function highlightWords($string, $words)
 {
    foreach ( $words as $word )
    {
        $string = str_ireplace($word, '<span class="highlight_word">'.$word.'</span>', $string);
    }
    /*** return the highlighted string ***/
    return $string;
 }

/*** example usage ***/
$string = 'This text will highlight PHP and SQL and sql but not PHPRO or MySQL or sqlite';
/*** an array of words to highlight ***/
$words = array('php', 'sql');
/*** highlight the words ***/
$string =  highlightWords($string, $words);

?>

<html>
<head> 
<title>PHPRO Highlight Search Words</title> 
<style type="text/css">
.highlight_word{
    background-color: pink;
}
</style> 
</head>
<body>
 <?php echo $string; ?>
</body>
</html>

Regular Expression

This second method makes us of PHP PCRE to achieve a better result. The seach is case insensitive, which means it will match php and PHP. This method has the added benifit of being able to use word boundries which enables highlighting of the word PHP but not PHPRO. The word boundary prevents partial matching of the search text and of highlighting parts of words. If this is the functionality you require, this is the method to choose.

<?php /** * @highlight words * * @param string $text * * @param array $words * * @return string * */ function highlightWords($text, $words) { /*** loop of the array of words ***/ foreach ($words as $word) { /*** quote the text for regex ***/ $word = preg_quote($word); /*** highlight the words ***/ $text = preg_replace("/\b($word)\b/i", '<span class="highlight_word">\1</span>', $text); } /*** return the text ***/ return $text; } /*** example usage ***/ $string = 'This text will highlight PHP and SQL and sql but not PHPRO or MySQL or sqlite'; /*** an array of words to highlight ***/ $words = array('php', 'sql'); /*** highlight the words ***/ $string = highlightWords($string, $words); ?> <html> <head> <title>PHPRO Highlight Search Words</title> <style type="text/css"> .highlight_word{ background-color: pink; } </style> </head> <body> <?php echo $string; ?> </body> </html>

50+ PHP optimisation tips

2010-06-17T11:55:00.002+05:30

echo is faster than print.
Wrap your string in single quotes (‘) instead of double quotes (“) is faster because PHP searches for variables inside “…” and not in ‘…’, use this when you’re not using variables you need evaluating in your string.
Use sprintf instead of variables contained in double quotes, it’s about 10x faster.
Use echo’s multiple parameters (or stacked) instead of string concatenation.
Use pre-calculations, set the maximum value for your for-loops before and not in the loop. ie: for ($x=0; $x < count($array); $x), this calls the count() function each time, use $max=count($array) instead before the for-loop starts.
Unset or null your variables to free memory, especially large arrays.
Avoid magic like __get, __set, __autoload.
Use require() instead of require_once() where possible.
Use full paths in includes and requires, less time spent on resolving the OS paths.
require() and include() are identical in every way except require halts if the file is missing. Performance wise there is very little difference.
Since PHP5, the time of when the script started executing can be found in $_SERVER[’REQUEST_TIME’], use this instead of time() or microtime().
PCRE regex is quicker than EREG, but always see if you can use quicker native functions such as strncasecmp, strpbrk and stripos instead. [Citation]
When parsing with XML in PHP try xml2array, which makes use of the PHP XML functions, for HTML you can try PHP’s DOM document or DOM XML in PHP4.
str_replace is faster than preg_replace, str_replace is best overall, however strtr is sometimes quicker with larger strings. Using array() inside str_replace is usually quicker than multiple str_replace.
“else if” statements are faster than select statements aka case/switch.
Error suppression with @ is very slow.
To reduce bandwidth usage turn on mod_deflate in Apache v2 or for Apache v1 try mod_gzip.
Close your database connections when you’re done with them.
$row[’id’] is 7 times faster than $row[id], because if you don’t supply quotes it has to guess which index you meant, assuming you didn’t mean a constant.
Use tags when declaring PHP as all other styles are depreciated, including short tags.
Use strict code, avoid suppressing errors, notices and warnings thus resulting in cleaner code and less overheads. Consider having error_reporting(E_ALL) always on.
PHP scripts are be served at 2-10 times slower by Apache httpd than a static page. Try to use static pages instead of server side scripts.
PHP scripts (unless cached) are compiled on the fly every time you call them. Install a PHP caching product (such as memcached or eAccelerator or Turck MMCache) to typically increase performance by 25-100% by removing compile times. You can even setup eAccelerator on cPanel using EasyApache3.
An alternative caching technique when you have pages that don’t change too frequently is to cache the HTML output of your PHP pages. Try Smarty or Cache Lite.
Use isset where possible in replace of strlen. (ie: if (strlen($foo) < 5) { echo “Foo is too short”; } vs. if (!isset($foo{5})) { echo “Foo is too short”; } ).
++$i is faster than $ i++, so use pre-increment where possible.
Make use of the countless predefined functions of PHP, don’t attempt to build your own as the native ones will be far quicker; if you have very time and resource consuming functions, consider writing them as C extensions or modules.
Profile your code. A profiler shows you, which parts of your code consumes how many time. The Xdebug debugger already contains a profiler. Profiling shows you the bottlenecks in overview.
Document your code.
Learn the difference between good and bad code.
Stick to coding standards, it will make it easier for you to understand other people’s code and other people will be able to understand yours.
Separate code, content and presentation: keep your PHP code separate from your HTML.
Don’t bother using complex template systems such as Smarty, use the one that’s included in PHP already, see ob_get_contents and extract, and simply pull the data from your database.
Never trust variables coming from user land (such as from $_POST) use mysql_real_escape_string when using mysql, and htmlspecialchars when outputting as HTML.
For security reasons never have anything that could expose information about paths, extensions and configuration, such as display_errors or phpinfo() in your webroot.
Turn off register_globals (it’s disabled by default for a reason!). No script at production level should need this enabled as it is a security risk. Fix any scripts that require it on, and fix any scripts that require it off using unregister_globals(). Do this now, as it’s set to be removed in PHP6.
Avoid using plain text when storing and evaluating passwords to avoid exposure, instead use a hash, such as an md5 hash.
Use ip2long() and long2ip() to store IP addresses as integers instead of strings.
You can avoid reinventing the wheel by using the PEAR project, giving you existing code of a high standard.
When using header(‘Location: ‘.$url); remember to follow it with a die(); as the script continues to run even though the location has changed or avoid using it all together where possible.
In OOP, if a method can be a static method, declare it static. Speed improvement is by a factor of 4.
Incrementing a local variable in an OOP method is the fastest. Nearly the same as calling a local variable in a function and incrementing a global variable is 2 times slow than a local variable.
Incrementing an object property (eg. $this->prop++) is 3 times slower than a local variable.
Incrementing an undefined local variable is 9-10 times slower than a pre-initialized one.
Just declaring a global variable without using it in a function slows things down (by about the same amount as incrementing a local var). PHP probably does a check to see if the global exists.
Method invocation appears to be independent of the number of methods defined in the class because I added 10 more methods to the test class (before and after the test method) with no change in performance.
Methods in derived classes run faster than ones defined in the base class.
A function call with one parameter and an empty function body takes about the same time as doing 7-8 $localvar++ operations. A similar method call is of course about 15 $localvar++ operations.
Not everything has to be OOP, often it is just overhead, each method and object call consumes a lot of memory.
Never trust user data, escape your strings that you use in SQL queries using mysql_real_escape_string, instead of mysql_escape_string or addslashes. Also note that if magic_quotes_gpc is enabled you should use stripslashes first.
Avoid the PHP mail() function header injection issue.
Unset your database variables (the password at a minimum), you shouldn’t need it after you make the database connection.
RTFM! PHP offers a fantastic manual, possibly one of the best out there, which makes it a very hands on language, providing working examples and talking in plain English. Please USE IT!

Avoid doing SQL queries within a loop:

If we writing a sql queries inside the Loop, it results in multiple round trips to the database, and significantly slower scripts. In the example below, you can change the loop to build a single SQL query and insert all of your users at once. Below is the example to create sql query in loop:

$Data = array();
foreach ($resultSet as $result) {
$Data[] = '("' . $result['first_name'] . '", "' . $result['last_name'] . '")';
}
$query = 'INSERT INTO table_name (first_name,last_name) VALUES' . implode(',', $Data);
mysql_query($query);

Here’s a short list of cool features that might have slipped under your radar as well:

Use ip2long() and long2ip() to store IP addresses as integers instead of strings in a database. This will reduce the storage space by almost a factor of four (15 bytes for char(15) vs. 4 bytes for the integer), make it easier to calculate whether a certain address falls within a range, and speed-up searches and sorts (sometimes by quite a bit).
Partially validate email addresses by checking that the domain name exists with checkdnsrr(). This built-in function checks to ensure that a specified domain name resolves to an IP address. A simple user-defined function that builds on checkdnsrr() to partially valid email addresses can be found in the user comments section in the PHP docs. This is handy for catching those occasional folks who think their email address is ‘joeuser@wwwphp.net’ instead of ‘joeuser@php.net’.
If you’re using PHP 5 with MySQL 4.1 or above, consider ditching the mysql_* functions for the improved mysqli_* functions. One nice feature is that you can use prepared statements, which may speed up queries if you maintain a database-intensive website. Some benchmarks.
Learn to love the ternary operator.
If you get the feeling that you might be reinventing the wheel during a project, check PEAR before you write another line. PEAR is a great resource that many PHP developers are aware of, yet many more are not. It’s an online repository containing over 400 reusable snippets that can be dropped right into your PHP application. Unless your project is trully unique, you ought to be able to find a PEAR package that saves at least a little time. (Also see PECL)
Automatically print a nicely formatted copy of a page’s source code with highlight_file().This function is handy for when you need to ask for some assistance with a script in a messageboard, IRC, etc. Obviously, some care must be taken not to accidently show your source when it contains DB connection information, passwords, etc.
Prevent potentially sensitive error messages from being shown to users with the error_reporting(0) function. Ideally error reporting should be completely disabled on a production server from within php.ini. However if you’re on a shared webhost and you aren’t given your own php.ini, then your best bet is to add error_reporting(0); as the first line in each of your scripts (or use it with require_once().) This will prevent potentially sensitive SQL queries and path names from being displayed if things go awry.
Use gzcompress() and gzuncompress() to transparently compress/decompress large strings before storing them in a database. These built-in functions use the gzip algorithm and can compress plaintext up to 90%. I use these functions almost everytime I read/write to a BLOB field within PHP. The only exception is when I need full text indexing capabilities.
Return multiple values from a function with “by reference” parameters. Like the ternary operator, most PHP developers who come from a more formalized programming background already know this one. However, those who’s background is more HTML than Pascal, probably have wondered at one time “how do I get multiple values back from a function I wrote, even though I can only use one return value?” The answer is that you precede a variable with “&” and use it “by reference” instead of “by value”.
Fully understand “magic quotes” and the dangers of SQL injection. I’m hoping that most developers reading this are already familiar with SQL injection. However, I list it here because it’s absolutely critical to understand. If you’ve never heard the term before, spend the entire rest of the day googling and reading.

Embedding PHP In CSS

2010-06-17T11:06:00.003+05:30

Perhaps one of the most frustrating aspects of using PHP with websites, is getting variables into CSS. Having variables stored in an ini file, config file or even a database can make the updating of the look and feel of a site simple, however, CSS files, by default, do not parse PHP. Of course, the web server could be told to parse CSS as PHP in the same way it does for HTML.

AddType application/x-httpd-php .css

With the addition of the above line in httpd.conf or in a .htaccess, the web server will now parse PHP code that is within the CSS files. This is one solution, but a better method may be at hand.
A html file may also include a PHP file, in the same manner as it includes a CSS file. This means the stylesheet can be renamed from style.css to style.php. When included from within the head of the HTML document, the link will look like this.

With the link to the style.php file in place, the PHP within the stylesheet is just a normal PHP file.

 
<?php
/*** set the content type header ***/
header("Content-type: text/css");

/** set the paragraph color ***/
$para_color = '#0000ff';

/*** set the heading size ***/
$heading_size = '2em';

/*** set the heading color ***/
$heading_color = '#c0c0c0';
?>

p{
        color: <?php echo $para_color;  ?>;
        font-weight: bold;
        font-size: 1.2em;
        text-align: left;
}     

h1{
        color: <?php echo $heading_color; ?>;
        font-size = <?php echo $heading_size; ?>;
        text-align: centre;
}

The PHP code within the style sheet is embedded just as it would be when using HTML and PHP together in a any php file. Each of the variables are declared at the top of the script, and the values then used where appropriate. Of course, the variables could be stored in a config file or database to make changes to the styles easy from remote locations.
The code above will produce a Cascading Style Sheet as follows:

p{
color: #0000ff;
font-weight: bold;
font-size: 1.2em;
text-align: left;
}

h1{
color: #c0c0c0;
font-size = 2em;
text-align: centre;
}

An addition to CSS is pending that will permit the use of CSS variables, however, this does not exclude the of PHP to get a variable into the CSS file itself. The proposed CSS variables would look like this, and allow the defining of a variable in a @variable at-rule and then be able to use that variable through-out the style sheet.

 
<html>
<head>
<title>foo</title>
<style type="text/css">
@variables {
  LogoBGColor: #e0e0e0;
}

div.logoContainer {
  background-color: var(LogoBGColor);
  color: red;
}

</style>
</head>

<body>
<h1 class="heading">CSS Variables</h1>
<div class="logoContainer">
This is some Text
</div>
</body>
</html>

Run Script From Cron

2010-06-16T20:11:00.001+05:30

The cron man page defines cron as a "daemon to execute scheduled commands". This means you can run scripts every hour, or every day, or on the 13 of every month at 5:38am. Here is an example of a cron entry.

00 18 * * * /path/to/command

In a few short minutes you will understand what this command means.

Structure

The structure of a cron entry as seen above is quite simple when broken down. In the above entry there is five sections and a path to a PHP script. Here is how it breaks down
Minute Hour Day Month Day Command
Lets break it down further..

Minute: Minute of the hour, 00 to 59
Hour: Hour of the day in 24-hour format, 00 to 23
Day: Day of the month, 1 to 31
Month: Month of the year, 1 to 12
DayDay of week: 3 chars - sun, mon, tue, or numeric (0=sun, 1=mon etc); Command = The command you want to execute

00 18 * * * /path/to/script.php

Crontab

The crontab is the command used to interface with cron. Within crontab command can be entered, editted or deleted. To enter into the crontab simply type:

crontab -e

This command will bring you to a vi console where you can create your cron entries. All the same rules that apply to vi apply in the editor. It is important to follow the examples here by using absolute paths to the script that is to be executed. This is because crontab does not have access to the system $PATH, so any system command also need have thier full path also. The path to a system command can be aquired using the which command. The $PATH is not available within cron, however, the $HOME variable is, so that when we need to execute a command or script from our home directory, this is available to us.

#which
mail /bin/mail

Set Crontab Editor

It is hard to imagine, yet there are still people out there who do not use vi(m). On most unix and unix like systems vi(m) is the default editor for crontab. This means when you type "crontab -e" at the command prompt, the crontab file is opened in vi(m). To alter this behaviour, the default editor can be changed or exported with the export command. Shown here is an example of changing the default crontab editor to joe.

export EDITOR=joe

Examples

We saw above how a script could be run at 6:00pm every night. But what is a script needs to be executed every 5 minutes. We could do something like this.

0 ,5,10,15,20,25,30,35,40,45,50,55 * * * * /path/to/command

This example shows how the time increments are seperated by a space, but we can have multiple values seperated by comma's. Of course, this is a lot to type out, so cron has a little shortcut syntax to achieve the same result.

*/5 * * * * /path/to/command

The previous examples show how to run every day or every whatever. But what if we wish to run a PHP script at 4:00am each Friday just before we go home.

00 16 * * fri /usr/local/bin/php $HOME/script.php

The above cron entry will shows 4:00pm every Friday (fri) and will execute the command /usr/local/bin/php $HOME/script.php. Note the use of the $HOME variable to show that the script.php file to be executed is within the users home directory. The path to the php executable however, must be an absolute path. There is more to cron than these simple demonstrations have shown. It is hoped that this is enough to get you up and scheduling tasks with the cron and the crontab. Just remember the sequence of times - Minute Hour Day Month Day Command

Backup MySQL Database With Cron

Database backup are a frequently performed task, usually a webmaster will begin this process after losing their data and realise that this needs to be done on a regular basis. This is an ideal situation where cron can be used. Database backups should be stored by date. That is, the filename of the SQL dump should be .todays_date.sql so a backup can be made from a given time and/or date. to achieve this, enter the following command in crontab

0 2 * * * /usr/local/bin/mysqldump -db_user -db_password db_name > /home/www/backups/dbname-`date +\%s`.sql

Drupal6 Updates

2010-06-14T10:53:00.000+05:30

Here is the Drupal6 features from Changelog.txt

- New, faster and better menu system.
- New watchdog as a hook functionality.
* New hook_watchdog that can be implemented by any module to route log
messages to various destinations.
* Expands the severity levels from 3 (Error, Warning, Notice) to the 8
levels defined in RFC 3164.
* The watchdog module is now called dblog, and is optional, but enabled by
default in the default install profile.
* Extended the database log module so log messages can be filtered.
* Added syslog module: useful for monitoring large Drupal installations.
- Added optional e-mail notifications when users are approved, blocked, or
deleted.
- Drupal works with error reporting set to E_ALL.
- Added scripts/drupal.sh to execute Drupal code from the command line. Useful
to use Drupal as a framework to build command-line tools.
- Made signature support optional and made it possible to theme signatures.
- Made it possible to filter the URL aliases on the URL alias administration
screen.
- Language system improvements:
* Support for right to left languages.
* Language detection based on parts of the URL.
* Browser based language detection.
* Made it possible to specify a node's language.
* Support for translating posts on the site to different languages.
* Language dependent path aliases.
* Automatically import translations when adding a new language.
* JavaScript interface translation.
* Automatically import a module's translation upon enabling that module.
- Moved "PHP input filter" to a standalone module so it can be deleted for
security reasons.
- Usability:
* Improved handling of teasers in posts.
* Added sticky table headers.
* Check for clean URL support automatically with JavaScript.
* Removed default/settings.php. Instead the installer will create it from
default.settings.php.
* Made it possible to configure your own date formats.
* Remember anonymous comment posters.
* Only allow modules and themes to be enabled that have explicitly been
ported to the correct core API version.
* Can now specify the minimum PHP version required for a module within the
.info file.
* Drupal core no longer requires CREATE TEMPORARY TABLES or LOCK TABLES
database rights.
* Dynamically check password strength and confirmation.
* Refactored poll administration.
* Implemented drag-and-drop positioning for blocks, menu items, taxonomy
vocabularies and terms, forums, profile fields, and input format filters.
- Theme system:
* Added .info files to themes and made it easier to specify regions and
features.
* Added theme registry: modules can directly provide .tpl.php files for
their themes without having to create theme_ functions.
* Used the Garland theme for the installation and maintenance pages.
* Added theme preprocess functions for themes that are templates.
* Added support for themeable functions in JavaScript.
- Refactored update.php to a generic batch API to be able to run time-consuming
operations in multiple subsequent HTTP requests.
- Installer:
* Themed the installer with the Garland theme.
* Added form to provide initial site information during installation.
* Added ability to provide extra installation steps programmatically.
* Made it possible to import interface translations at install time.
- Added the HTML corrector filter:
* Fixes faulty and chopped off HTML in postings.
* Tags are now automatically closed at the end of the teaser.
- Performance:
* Made it easier to conditionally load .include files and split up many core
modules.
* Added a JavaScript aggregator.
* Added block-level caching, improving performance for both authenticated
and anonymous users.
* Made Drupal work correctly when running behind a reverse proxy like
Squid or Pound.
- File handling improvements:
* Entries in the files table are now keyed to a user instead of a node.
* Added reusable validation functions to check for uploaded file sizes,
extensions, and image resolution.
* Added ability to create and remove temporary files during a cron job.
- Forum improvements:
* Any node type may now be posted in a forum.
- Taxonomy improvements:
* Descriptions for terms are now shown on taxonomy/term pages as well
as RSS feeds.
* Added versioning support to categories by associating them with node
revisions.
- Added support for OpenID.
- Added support for triggering configurable actions.
- Added the Update status module to automatically check for available updates
and warn sites if they are missing security updates or newer versions.
Sites deploying from CVS should use http://drupal.org/project/cvs_deploy.
Advanced settings provided by http://drupal.org/project/update_advanced.
- Upgraded the core JavaScript library to jQuery version 1.2.3.
- Added a new Schema API, which provides built-in support for core and
contributed modules to work with databases other than MySQL.
- Removed drupal.module. The functionality lives on as the Site network
contributed module (http://drupal.org/project/site_network).
- Removed old system updates. Updates from Drupal versions prior to 5.x will
require upgrading to 5.x before upgrading to 6.x.

- Better performance because of better caching and the ability to split modules in separate files to reduce memory on runtime
- Improved menu and forms API
- Built-in module update tracker

-------------------------------------------------------------------
HOOKS
Drupal's module system is based on the concept of "hooks". A hook is a PHP function that is named foo_bar(), where "foo" is the name of the module (whose filename is thus foo.module) and "bar" is the name of the hook. Each hook has a defined set of parameters and a specified result type.

To extend Drupal, a module need simply implement a hook. When Drupal wishes to allow intervention from modules, it determines which modules implement a hook and call that hook in all enabled modules that implement it.

Magic Methods in PHP

2010-06-11T20:11:00.001+05:30

With PHP 5 Object Oriented Programming seems to becoming a reality in PHP but we all know that in PHP a variable can take any form depending on the data passed to it. Also PHP automatically creates variable and assigns values to it even is the variables are not defined. But in Object Oriented Programming all the data members/methods needs to be defined. To solve some of these problems in OOPS environment magic methods have been introduced in PHP5.

NOTE ON MAGIC METHODS:

Magic methods are the members functions that is available to all the instance of class
Magic methods always starts with “__”. Eg. __construct
All magic methods needs to be declared as public
To use magic method they should be defined within the class or program scope

Various Magic Methods used in PHP 5 are:

__construct()
__destruct()
__set()
__get()
__call()
__toString()
__sleep()
__wakeup()
__isset()
__unset()
__autoload()
__clone()

__construct()
Constructor are special function in Object Oriented Programming. It gets called automatically whenever object of a class is created. This is useful for performing any pre operation before we start to call the methods of the class. PHP5 uses special keyword “__construct” to define constructor of the class.

< ?
class employee
{
    function __construct()
   {
       echo "Constructor Called";
   } 
}
$a = new employee();
$a = new employee;
? >

__destruct()
Destructor are special function in Object Oriented Programming. It gets called automatically whenever object of a class is destroyed or goes out of scope. This is useful for clean up operation before cleaning the memory. PHP 5 uses special keyword “__destruct” to define destructor of the class.

< ?
class employee
{
    function __destruct()
    {
        echo "Destructor Called";
    }
}
$a = new employee();
? >

So when the page operation is completed destructor function is called automatically.
__set()
This tutorial will guide you through the __set() Magic Method. The __set() Magic method in PHP5 gets called when setting the value to an undeclared or undefined attributes of an class. With this method the programmer can keep track on the variables which are not defined inside the class.

< ?
class magicmethod
{
 function __set($data,$value)
 {
  echo "Error assigning values to undefined attributes";
  echo "attributes Called:".$data;
  echo "Value assigned to attributes:".$value;
 }
 
}
$a = new magicmethod();
$a->setData = 20;
? >

Output:

Error assigning values to undefined attributes

attributes Called:setData

Value assigned to attributes:20

__get()
This tutorial will guide you through the __get() Magic Method. The __get Magic method in PHP5 gets called when accessing the value of an undeclared or undefined attribute of an class. With this method the programmer can keep track on the variables which are not defined inside the class.

< ?
class magicmethod
{
   function __get($data)
   {
       echo "Error accessing undefined attributes";
       echo "attributes Called:".$data;
   }
}
 
$a = new magicmethod();
echo $a->setData;
 
? >

Output:

Error accessing undefined attributes

attributes Called:setData

__call()
This tutorial will guide you through the __call() Magic Method. The __call Magic method in PHP5 get called when accessing an undeclared or undefined methods of an class. With this magic method the programmer can keep track on the undeclared method which are not defined inside the class.

< ?
class magicmethod
{
 
 function __call($data,$argument)
 {
  echo "Error accessing undefined Method";
  echo "Method Called: ".$data;
  echo "Argument passed to the Method: ".$argument;
 }
 
}
 
$a = new magicmethod();
echo $a->setData();  //Calling setData method
 
? >

Output:

Error accessing undefined Method

Method Called: setData

Argument passed to the Method: Array (Array of the Argument Passed)

__toString()
This tutorial will guide you through the __toString() Magic Method. The __toString() Magic method in PHP5 get called while trying to print or echo the class objects. This method can be used print all the methods and attributes defined for the class at runtime for debugging. Also this method can be used to give error message while somebody tries to print the class details.

< ?
class magicmethod
{
 
 function __toString()
 {
  return "Caught You!! Cannot access the Class Object";
 }
 
}
$a = new magicmethod();
echo $a;
? >

Output: Caught You!! Cannot access the Class Object

__sleep()
This tutorial will guide you through the __sleep() Magic Method. The __sleep() magic method in PHP5 gets called while serializing an object in PHP5. Serializing is required to pass complex data across the network or PHP pages. It is also used to store data(files, database, cookies etc). With this magic method call we can define the way how the data object will be stored. The __sleep() method should be used along with __wakeup() magic method. The __wakeup() magic method is called while unserializing the data and restores the serialized object to normal form.

< ?
class magicmethod
{
 function __sleep()
 {
  echo "Performing Clean-Up Operation Before Serializing Data ";
  return array("Serialized Data","1","2","3");
 }
}
$a = new magicmethod();
$serializedata = serialize($a);
echo $serializedata;
? >

Output:
Performing Clean-Up Operation Before Serializing Data
O:11:”magicmethod”:4:{s:15:”Serialized Data”;N;s:1:”1″;N;s:1:”2″;N;s:1:”3″;N;}

__wakeup()
This tutorial will guide you through the __wakeup() Magic Method. The __wakeup() magic method of PHP5 gets called when unserialize operation on object is performed. This method allows us to restore the serialized data to its normal form.

< ?
class magicmethod
{
 private $setName;
 function __sleep()
 {
  echo "Performing Clean-Up Operation Before Serializing Data ";
  $this->setName = "Hello World!!!";
  return array(setName);
 }
 
 function __wakeup()
 {
  echo "Performing Clean-Up Operation Before Unserializing Data ";
  echo $this->setName;
 }
}
$a = new magicmethod();
$serializedata = serialize($a);
$serializedata1 = unserialize($serializedata);
? >

Output:
Performing Clean-Up Operation Before Serializing Data
Performing Clean-Up Operation Before Unserializing Data
Hello World!!!

__isset()
This tutorial will guide you through the __isset() Magic Method. The __isset() magic method in PHP5 is called whenever isset function of PHP is called to check for undeclared data member. With the help of this method we can check for the undeclared variables in the code. We can also set appropriate error message while testing for variable names getting used in the Class.

< ?
class magicmethod
{
 function __isset($variablename)
 {
  echo "Variable '".$variablename."' not Set";
 }
}
$a = new magicmethod();
isset($a->name);
? >

Output: Variable ‘name’ not Set

__unset()
This tutorial will guide you through the __unset() Magic Method. The __unset() magic method of PHP5 is called whenever unset function of PHP is called to clear an undeclared data member. With the help of this method we can check for the undeclared variables in the code. We can also set appropriate error message while testing for variable names getting used in the Class.

< ?
class magicmethod
{
 function __unset($variablename)
 {
  echo "Variable '".$variablename."' not Set and Cannot be UnSet";
 }
}
$a = new magicmethod();
unset($a->name);
? >

Output: Variable ‘name’ not Set and Cannot be UnSet

__autoload()
This methods get automatically called whenever you try to load an object of class which resides in separate file and you have not included those files using include,require and include_once. To use this method it is mandatory to the PHP filename as that of the class name because this methods accepts the class name as the argument. To know more about this method refer

Example – Basic AutoLoad Magic Method Usage

< ?
    function __autoload($classname)
    {
        include $classname.".php"; //Here $classname=magicmethod1
    }
 
    $a = new magicmethod1();
? >

Explanation for the Example:
Here i am trying to create an object of magicmethod1 class, but i have not included the magicmethod1.php so PHP compiler calls the __autoload() method which include that magicmethod1.php file.
Code for magicmethod1.php

< ?
    class magicmethod1
    {
        function __construct()
        {
            echo "MagicMethod1 Class Called";
        }
    }
? >

Output: MagicMethod1 Class Called

__clone()
In PHP 5 when you assign one object to another object creates a reference copy and does not create duplicate copy. This would create a big mess as all the object will share the same memory defined for the object. To counter this PHP 5 has introduced clone method which creates an duplicate copy of the object. __clone magic method automatically get called whenever you call clone methods in PHP 5.

< ?
class Animal
{
   public $name ;
   public $legs;
 
   function setName($name)
   {
 $this->name = $name;
   }
 
   function setLegs($legs)
   {
 $this->legs = $legs;
   }
 
   function __clone()
   {
 echo "
Object Cloning in Progress";
   }
}
 
$tiger = new Animal();
$tiger->name = "Tiger";
$tiger->legs = 4;
 
$kangaroo = clone $tiger;
$kangaroo->name = "Kangaroo";
$kangaroo->legs = 2;
 
echo "
".$tiger->name."---".$tiger->legs;
echo "
".$kangaroo->name."---".$kangaroo->legs;
? >

Output:
Object Cloning in Progress
Tiger—4
Kangaroo—2

What is .htaccess Files

2010-06-08T17:39:00.001+05:30

.htaccess files (or “distributed configuration files”) provide a way to make
configuration changes on a per-directory basis. A file, containing one or more
configuration directives, is placed in a particular document directory, and the
directives apply to that directory, and all subdirectories thereof.

Directives

“Directives” is the terminology that Apache uses for the commands in Apache’s
configuration files. They are normally relatively short commands, typically
key value pairs, that modify Apache’s behavior. An .htaccess file allows
developers to execute a bunch of these directives without requiring access to
Apache’s core server configuration file, often named httpd.conf. This file,
httpd.conf, is typically referred to as the “global configuration file” and I will
refer to it with that name or its short filename equivalent.
This feature is ideal for many hosting companies deploying a shared hosting
environment. The hosting company will not allow its customers to access the
global configuration file, which ultimately affects all of the customers hosted on
that server. Instead, by enabling .htaccess, they give each of their customers
the power to specify and execute their own Apache directives in their own
directories and subdirectories. Of course it’s also useful to the single
developer, as you will see.
It’s worth mentioning that anything that can be done with a .htaccess file can
be done in the httpd.conf file. However, NOT everything that can be done in
httpd.conf can be done in a .htaccess file. In fact .htaccess files must be
enabled in the httpd.conf file in order to be executed at all. Once enabled,
their power can be limited to certain “contexts” so that they may be allowed
to override some settings but not others. This gives the system administrators
more control over what they let other developers get away with in their
.htaccess files.

for more Information about htaccess Click here

Facebook: CSS Background images won't show up on fbml canvas page

2010-06-07T18:02:00.000+05:30

In many of Facebook Applications CSS background images are not showing some time or the background images have shrunk and are tiled 4 times over. And If I copy the image path, and paste it in another tab and do a fetch in the browser, and again go back to my app canvas page and refresh it, the image shows up, but never does it show on the first load.

If anybody having same problem then just upload these images in another domain and give it that path into FBML Application or You can use photobucket.com or imageshack for example.

Im my case i uploaded my images in photobucket and i gave the absolute path in my CSS.

Output Buffering

2010-06-03T19:02:00.000+05:30

Without output buffering (the default), your HTML is sent to the browser in pieces as PHP processes through your script. With output buffering, your HTML is stored in a variable and sent to the browser as one piece at the end of your script.

Advantages of output buffering for Web developers

* Turning on output buffering alone decreases the amount of time it takes to download and render our HTML because it's not being sent to the browser in pieces as PHP processes the HTML.
* All the fancy stuff we can do with PHP strings, we can now do with our whole HTML page as one variable.
* If you've ever encountered the message "Warning: Cannot modify header information - headers already sent by (output)" while setting cookies, you'll be happy to know that output buffering is your answer.

Here's a "hello world" of PHP output buffering

<?php
// start output buffering at the top of our script with this simple command
ob_start();
?>

<html>
<body>
<p>Hello world!</p>
</body>
</html>

<?php
// end output buffering and send our HTML to the browser as a whole
ob_end_flush();
?>

It's that simple! Just by doing this our webpages appear less choppy as they render. Now let's take it one step futher.

The next step: compress the output

In the code below, ob_start() is changed to ob_start('ob_gzhandler'). That one simple change compresses our HTML, resulting in a smaller HTML download size for most browsers.

<?php
// start output buffering at the top of our script with this simple command
// we've added "ob_gzhandler" as a parameter of ob_start
ob_start('ob_gzhandler');
?>

<html>
<body>
<p>Hello world!</p>
</body>
</html>

<?php
// end output buffering and send our HTML to the browser as a whole
ob_end_flush();
?>

one more step further: custom post processing

In the code below, ob_start() is changed to ob_start('ob_postprocess'). ob_postprocess() is a function we define below used to make changes to the HTML before it is sent to the browser. Instead of Hello world!, the user will see Aloha world!

<?php
// start output buffering at the top of our script with this simple command
// we've added "ob_postprocess" (our custom post processing function) as a parameter of ob_start
ob_start('ob_postprocess');
?>

<html>
<body>
<p>Hello world!</p>
</body>
</html>

<?php
// end output buffering and send our HTML to the browser as a whole
ob_end_flush();

// ob_postprocess is our custom post processing function
function ob_postprocess($buffer)
{
 // do a fun quick change to our HTML before it is sent to the browser
 $buffer = str_replace('Hello', 'Aloha', $buffer);
 // "return $buffer;" will send what is in $buffer to the browser, which includes our changes
 return $buffer;
}
?>

you can set cookies at any time with output buffering on

Since HTML is not sent directly to the browser, we can set cookies anywhere in our scripts without worrying about anything. Just turn it on like we did in step 1 and voilà! No more cookie problems.

Word Jumbling

2010-06-03T18:51:00.001+05:30

According to a researcher at Cambridge University, it doesn’t matter in what order the letters in a word are, the only important thing is that the first and last letter be at the right place. The rest can be a total mess and you can still read it without problem. This is because the human mind does not read every letter by itself but the word as a whole.

Here is the little JavaScript ‘program’ to do word jumbling written by James Padolsey.

The first component is a function which jumbles a string’s characters:

function jumble(word) {

// Rand function will return 2-part array
// [0] -> Index of rand, [1] -> random found value (from args)
var rand = function(){
var myRand = Math.floor(Math.random() * arguments.length);
return [myRand, arguments[myRand]];
},

// Split passed word into array
word = word.split(''),

// Cache word length for easy looping
length = word.length,

// Prepate empty string for jumbled word
jumbled = '',

// Get array full of all available indexes:
// (Reverse while loops are quickest: http://reque.st/1382)
arrIndexes = [];
while (length--) {
arrIndexes.push(length);
}

// Cache word length again:
length = word.length;

// Another loop
while (length--) {
// Get a random number, must be one of
// those found in arrIndexes
var rnd = rand.apply(null,arrIndexes);
// Append random character to jumbled
jumbled += word[rnd[1]];
// Remove character from arrIndexes
// so that it is not selected again:
arrIndexes.splice(rnd[0],1);
}

// Return the jumbled word
return jumbled;

}

The second component get’s the value of the textarea on each keyup event and jumbles all characters between the first and last letter of each word: (It also has a primitive way of handling simple punctuation)

$('textarea').keyup(function(){
var text = $(this).val().split(/\s/g),
converted = '';

$.each(text, function(i,word){
if(!word.length) return;

// Extract punctuation:
var puncPattern = /[,\.;:'!\?]+/,
punc = word.match(puncPattern) ? word.match(puncPattern)[0] : '',
puncIndex = word.search(puncPattern),
word = word.replace(punc,'');

// Compile new word, split to array:
var newWord =
(word.length > 2 ?
word.substr(0,1) + jumble(word.substr(1,word.length-2))
+ word.substr(word.length-1)
: word).split('');

// Insert punctuation back in:
newWord.splice(puncIndex,0,punc);

// Add space after word:
converted += newWord.join('') + '\u0020';

});

// Inserted jumbled test into receiver:
$('#receiver').text(converted);
});

You can see a demo of the above script here.

Window Close Event

2010-06-03T18:38:00.002+05:30

<html>
<head>
<title>Window Close Event</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta http-equiv="Content-Style-Type" content="text/css">
<meta http-equiv="Content-Script-Type" content="text/javascript">
<script type="text/javascript">
window.onbeforeunload = function (evt) {
var message = 'Are you sure you want to leave?';
if (typeof evt == 'undefined') {
evt = window.event;
}
if (evt) {
evt.returnValue = message;
}
return message;
}
</script>
</head>
<body>
</div>
</body>
</html>

Finding a file with particular content

2010-06-02T15:02:00.002+05:30

Ever known that you had written a function for something, but can't remember which file it was in?

grep -iR myFunction ./

grep -iR myFunction ./

"grep" is a program for printing out lines that match a particular pattern. You can provide it with some switches, like the "-i" for making it case-insensitive, and "-R" for making it recursive in my example. Then provide a pattern, and the path to search in (here I'm searching the current directory with "./"). This example will show the filename and the line in that file for any matches it finds to "myfunction" (case-insensitve because of the "-i").

If your projects are Subversion working copies, you may find that it's annoying to see results from the ".svn" directories. To exclude particular directories from the search, use the "--exclude-dir=" switch, for example "--exclude-dir=.svn".

Find / Replace in a Text File

2010-06-02T15:00:00.000+05:30

Sometimes you have a big file, like maybe a database export, and you need to do some find / replace on it... but it won't open in any of your text editors, because your machine runs out of memory trying to open it! Well, here's a way around that, by using the command-line and a little regular expressions.
The way this works is to output the contents of the SQL script (or whatever file you're using), pipe it through a program called "sed," which is specifically form manipulating streaming content, and then redirect that output into the new file. Sound complicated? Well... I guess it is a little, but the command itself looks simple!

cat original_dump.sql | sed s/faruq/Shaik/ > new_dump.sql

cat original_dump.sql | sed s/Japheth/Japh/ > new_dump.sql

The new part here is really the "sed" program. Basically what it's doing is taking input and matching the first pattern (in this case, my name, "faruq"), and replacing it with the second pattern (in this case, a shortening of my name, "Shaik"), then outputting that.

Restoring from a Database Backup (with GZip Compression)

2010-06-02T14:56:00.002+05:30

So you’ve got a backup of your database (either using the method above, or some other way), and something has gone wrong and you need to restore, or you’re migrating it to a new server. You could use one of the other tools mentioned before, but in the example of phpMyAdmin, what if your database backup file is bigger than the allowed upload size? Well luckily, the command-line doesn’t mind.
The command to restore is very similar to the one for backing up. Firstly, without GZip compression:

cat db_backup.sql | mysql -u mysqluser -p mysqldatabase

cat db_backup.sql | mysql -u mysqluser -p mysqldatabase

We use the “cat” command to output the contents of the backup script, and pipe its contents into the mysql program. As you can see, the mysql program takes the same options as the mysqldump one does in section two.
Now if the script was GZip compressed, we can’t just output its contents into mysql, as it will be compressed data instead of a nice SQL script. So we do the following:

gunzip < db_backup.sql.gz | mysql -u mysqluser -p mysqldatabase

gunzip < db_backup.sql.gz | mysql -u mysqluser -p mysqldatabase

See, it's very familiar, just switched around a bit.

JUNE 2010 Desktop Wallpapers

2010-06-02T14:27:00.002+05:30

Facebook : Invite Page

2010-06-01T10:29:00.005+05:30

<?php
//?fb_force_mode=fbml
require_once '../facebook.php';
$api_key = '8b68ebaa2353e83cd906b246###';
$secret = '8d4348f4bbfaa176b0c29e364f###';

// Names and images
$app_name = "Map App";
$app_url = "map_app";

// Assumes application is at http://apps.facebook.com/app-url/
$app_image = "Application image URL";
$invite_href = "invite.php?fb_force_mode=fbml";

// Rename this as needed require_once 'facebook.php';
$facebook = new Facebook($api_key, $secret);
$facebook->require_frame();
$user = $facebook->require_login();

if(isset($_POST["ids"])) {
echo "<center>Thank you for inviting ".sizeof($_POST["ids"])." of your friends on <b><a href=\"http://apps.facebook.com/".$app_url."/\">".$app_name."</a></b>.<br><br>\n";
echo "<h2><a href=\"http://apps.facebook.com/".$app_url."/\">Click here to return to ".$app_name."</a>.</h2></center>";
} else {
// Retrieve array of friends who've already added the app.
$fql = 'SELECT uid FROM user WHERE uid IN (SELECT uid2 FROM friend WHERE uid1='.$user.') AND is_app_user = 1';
$_friends = $facebook->api_client->fql_query($fql);

// Extract the user ID's returned in the FQL request into a new array.
$friends = array();

if (is_array($_friends) && count($_friends)) {
foreach ($_friends as $friend) { $friends[] = $friend['uid']; } }

// Convert the array of friends into a comma-delimeted string.
$friends = implode(',', $friends);

// Prepare the invitation text that all invited users will receive.
$content = "<fb:name uid=\"".$user."\" firstnameonly=\"true\" shownetwork=\"false\"/> has started using <a href=\"http://apps.facebook.com/".$app_url."/\">".$app_name."</a> and thought it's <u>so cool even you should try it out</u>!\n".
"<fb:req-choice url=\"".$facebook->get_add_url()."\" label=\"Add ".$app_name." to your profile\"/>";
?>
<fb:request-form action="<? echo $invite_href; ?>" method="post" type="<? echo $app_name; ?>" content="<? echo htmlentities($content); ?>" image="<? echo $app_image; ?>">
<fb:multi-friend-selector actiontext="Here are your friends who don't have <? echo $app_name; ?> yet. Invite whoever you want -it's free!" exclude_ids="<? echo $friends; ?>" />
</fb:request-form>
<?
}
?>

Use Firebug in any Browser

2010-05-27T13:31:00.001+05:30

Firebug is without doubt one of the greatest assets to web development available; I certainly use it on a daily basis when developing for the web, and I know it’s the plugin of choice for many others too. An unfortunate side-effect of Firebug’s excellence is that other similar tools for other browsers pale in comparison and appear inferior. Trouble-shooting layout issues and CSS bugs in IE for example can be a lesson in futility.

This is where Firebug Lite steps in; this is a simple JavaScript library that recreates most of the key features of the Firebug interface, bringing our debugger of choice to all other platforms. Fixing layouts and troubleshooting cross-browser issues becomes easy once more.

One of the greatest things about Firebug Lite is that you don’t need to download it or install anything in order to start using it; when you want to debug a page you’re working on in browsers that aren’t Firefox you can just include a script file whose SRC points to the online version:

< script src="http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js" type="text/javascript" >
< /script >

That’s it, when you run the page in any other browser, Firebug Lite will be present on the page. For off line use, the script file, as well as a CSS file, can be downloaded and should just be used like any other JS or CSS file. The following screenshot shows Firebug Lite in Safari:

Introducing the Google Font API & Google Font Directory

2010-05-27T09:45:00.000+05:30

The Google Font API provides a simple, cross-browser method for using any font in the Google Font Directory on your web page. The fonts have all the advantages of normal text: in addition to being richer visually, text styled in web fonts is still searchable, scales crisply when zoomed, and is accessible to users using screen readers.

Getting started using the Google Font API is easy. Just add a couple lines of HTML:

<link href='http://fonts.googleapis.com/css?family=Tangerine' rel='stylesheet' type='text/css'>

body { font-family: 'Tangerine', serif; }

PostgreSQL: date/time functions with INTERVAL

2010-05-26T14:23:00.001+05:30

A lot of people are wondering why date/time functions are working differently in PostgreSQL 7.2 and up. For example queries like the following no longer work:

CODE:1
SELECT id FROM orders
WHERE interval(current_timestamp - order_date) < interval('1 month');

INTERVAL is really not a function. It is a datatype and an operator. In earlier version of PostgreSQL, you were allowed to 'sort of' use it as a function, but that no longer exists. Instead, try to either:

CODE:2 cast your value to an interval datatype:

SELECT id FROM orders
WHERE (current_timestamp - order_date) < ('1 month')::interval;

CODE :3 you can use the "interval" keyword as an operator to a timestamp representation:

SELECT id FROM orders
WHERE (current_timestamp - order_date) < (interval '1 month 3 days');

CODE :4 it works with parentheses if you remove any ambiguity about the parentheses. (Meaning: if you need parentheses for your expression, then put "interval" in quotes:

SELECT id FROM orders
WHERE (current_timestamp - order_date) < ("interval" (current_timestamp -
(SELECT order_date FROM orders WHERE id = 2)));

Cakephp Cheet Sheet

2010-05-21T17:41:00.001+05:30

Here you can find the Cakephp cheetsheet.

http://cakephp.org/files/Resources/CakePHP-1.2-Cheatsheet.pdf

Check Browser Compatibilty in Online

2010-05-19T09:57:00.002+05:30

Now you can check your web design in different browsers on Browsershots.It is a free open-source online service.And you can send those screenshots to your mail also.

URL:http://browsershots.org/

Google Search for Your Site

2010-05-18T19:32:00.002+05:30

Integrating search on a website can be an incredibly complex subject far beyond my web development skills. Fortunately, Google offers a service called “Custom Search Engine” which you can integrate right into your own site. This leverages Googles awesome search power, and it can all happen directly on your own website!

URL: http://www.google.com/cse/

Check/Uncheck Checkbox Jquery

2010-05-18T10:01:00.002+05:30

<html>
  <head>
    <script language='JavaScript'>
      checked = false;
      function checkedAll () {
        if (checked == false){checked = true}else{checked = false}
    for (var i = 0; i < document.getElementById('myform').elements.length; i++) {
      document.getElementById('myform').elements[i].checked = checked;
    }
      }
    </script>
  </head>
  <body>
    <form id="myform">
      <input type="checkbox" name="foo"/>
      <input type="checkbox" name="bar"/>
      <BR>Check all: <input type='checkbox' name='checkall' onclick='checkedAll();'>
    </form>
  </body>
</html>

MYSQL:Get Current Date Records from TIMESTAMP

2010-05-12T12:56:00.000+05:30

SELECT your_columns FROM your_table WHERE DATE(date_posted) = CURDATE();

Codeigniter in PHP 5.3

2010-05-05T15:09:00.003+05:30

First, here’s how to solve the issue regarding these errors:

Deprecated: Assigning the return value of new by reference is deprecated in C:\wamp\www\ci\system\codeigniter\Common.php on line 130

Deprecated: Assigning the return value of new by reference is deprecated in C:\wamp\www\ci\system\codeigniter\Common.php on line 136

In index.php in your CI folder replace line 12 “error_reporting(E_ALL);” (without quotes) with this:
“error_reporting(E_ALL & ~E_DEPRECATED);” (without quotes)

Then, you’ll probably get an error about a bad URI if you try to run any controlls. It should say something like this: “The URI you submitted has disallowed characters.”

Here’s the solution for that as well. In URI.php which is located in \system\libraries replace line 189:
“

if ( ! preg_match("|^[".preg_quote($this->config->item
('permitted_uri_chars'))."]+$|i", $str))

” (without quotes and without the line break (it’s all one line)

to read like this:
“if ( ! preg_match("|^[".str_replace('\\-', '-', preg_quote ($this->config->item('permitted_uri_chars')))."]+$|i", $str))” again without the quotes.

Flex with PHP Usefull Links for Beginners

2010-04-23T16:59:00.000+05:30

http://onlamp.com/pub/a/onlamp/2007/07/19/introduction-to-flex-using-php.html

http://livedocs.adobe.com/flex/3/html/help.html

http://cookbooks.adobe.com/post_Dynamic_Images___Buttons_in_Datagrid_using_MYSQL__-8703.html

Flex: Get Response from HTTPService

2010-04-23T16:55:00.000+05:30

<mx:Script>
        <![CDATA[
           import mx.rpc.events.ResultEvent;
           import mx.rpc.events.FaultEvent;
           import mx.controls.Alert;
           private var alert:Alert;

            private function send_data():void {
                userRequest.send();
            }

            private function httpService_fault(evt:FaultEvent):void {
               var title:String = evt.type + " (" + evt.fault.faultCode + ")";
                     Alert.show(title);
            }

             private function httpService_result(evt:ResultEvent):void {
              var msg:String = userRequest.lastResult.responce;
              if(msg == '1') {
                    var url:String = "http://localhost/flex/firstapp/home.html";
                    var request:URLRequest = new URLRequest(url);
                    navigateToURL(request);
                 //Alert.show('correct');
              }else{
                 Alert.show(msg);
              }

            }


        ]]>
    </mx:Script>

      <mx:HTTPService
          id="userRequest"
          url="http://localhost/flex/firstapp/index.php"
          method="POST"
          fault="httpService_fault(event);"
          result="httpService_result(event)"
          resultFormat="e4x"

          >

Drupal: Turn off Register_Globals

2010-04-21T16:08:00.003+05:30

Method 1

Place a file called php.ini in your accounts root directory with the following content: register_globals = false (you can also try using 'off', or '0'instead of 'false').

Method 2

Place a file called .htaccess in your acccounts root directory with the following content:
php_flag register_globals off

Facebook: Set Username for your pages

2010-04-20T12:11:00.001+05:30

Here is the URL http://www.facebook.com/username/ where you can set the username for all your pages as well as for your account like:
http://facebook.com/< username >

Add Boxes to the Wall Sidebar of Your Facebook Page

2010-04-20T11:58:00.001+05:30

Here are the steps to adding a left sidebar ad/button/image to your Facebook Page wall:
1. Click the “Edit Page” link on your Fan Page main page
2. Install the “Static FBML” Application from Facebook.

Look for the “More Applications” box at the bottom of the edit area.
After you search you should see the “Static FBML” application in the search results.
Click on the “Static FBML” link.

3. Add the Static FBML application from Facebook to your Fan Page

Click the “Add to my Page” link on the Static FBML page.
After you click the “Add to my Page” link you may get a selection popup that asks which Facebook Page you want to add the application to. Just click the “Add to Page” button for the appropriate page.

4. Add content to the Static FBML application

Now you need to get back to your Facebook Page that you just added the Static FBML application to and click the “Edit Page” link again.
There should be a new box in the middle of the edit page
Click the “Edit” link.
Now you will see a very simple editing interface with “Box Title:” and “FBML:” fields.
The Box Title is just text, but the FBML field can take HTML or FBML.
Insert the your code into FBML field:
Click “Save Changes” at the bottom.

5. Move the new FBML box to the Wall page

Go back to your main Facebook Page tab. Then go to the “Boxes” tab. You should see your code

Thats it.

mysql - Reset Root User Privileges

2010-04-16T13:00:00.002+05:30

1. Find the my.ini file (my.cnf for linux). On windows, the my.ini file is typically in your install directory: c:\Program Files\MySQL\MySQL Server 5.1\my.ini
OR if your using xamp then it will be C:\xampp\mysql\bin\my.ini
Open the file with notepad (or any text editor) and add the following entry under the [mysqld] section:

skip-grant-tables

Then, save the file and restart the MySQL service.

If you have Phpmyadmin then select the mysql databese and open the user table. In that you will find the all mysql users.

Then you need to edit the root row and update all the radio buttons with Y.

If you dont have Phpmyadmin then
mysql > use mysql;
Delete the old root user like
mysql > delete from user where user='root';

Create root user again (WITH RIGHTS!)

mysql > INSERT INTO user (Host, User, Password, Select_priv, Insert_priv,
Update_priv, Delete_priv, Create_priv, Drop_priv, Reload_priv,
Shutdown_priv, Process_priv, File_priv, Grant_priv, References_priv,
Index_priv, Alter_priv) VALUES ('localhost', 'root', PASSWORD('thepass'),
'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y');

OR
you can update the above instead of re creating the user account.

After that remove the skip-grant-tables from the my.ini file and restart the Mysql. thats it.

How to know who are online at present in any system

2010-04-15T19:25:00.003+05:30

We can find out who are online or logged in to the system. This also displayed as members active now at the footer of any site or in any login system. This is integrated in any login system of any site. We will try to learn how such a system works and display the names ( or user ids ) of the members active at the site. This is part of any system where members login with their user id and password.

As you can understand the member session details after login are stored at server side and not at the client end. So getting the details from the server is not possible as scripts will not have root access. So we will try to maintain one more parallel system to know who are logged in. Here some steps we have taken exclusively for this and let us learn different steps of this script.

Storing the login information in a table
Every time a member successfully loges in we will store the details by adding a record to our table exclusively created for this purpose. We call this table as plus_login. It has five fields storing session id inside field name id, usrid storing user id of the logged in member, ip address of the system from where member has logged in, time of logging in the field name tm and status which will be setting to OFF once the member logged out and we will set it to ON by default. So once a member logged in we will store all these information by inserting a record where the status by default gets set to ON. The structure of the table ( sql dump ) is available inside the download zip file at the end of this tutorial.

Updating the status of the member
We have the status stored in our plus_login table where we have set the status to ON. Along with the status we are also storing the time of logged in. Now we have to update this status to ON and update the new time (field name tm) on every time the member opens inside the member area. We have kept the code to update the plus_table with new time and status to ON inside the page bottom.php. This page bottom.php is called by all pages at the end. This bottom.php page does three jobs. First it update the status of the logged in user with new time and set status to ON. Here is the code of this first step.

$tm=date("Y-m-d H:i:s");
$q=mysql_query("update plus_login set status='ON',tm='$tm' where id='$session[id]'");

Second it mark the status to OFF for all the members who has not interacted with the site within last 10 minutes. ( that is the reason we will be making the status ON and new time for every page call of the member ). Here is the code inside bottom.php for this step.

$gap=10; // Gap value can be changed, this is in minutes.
// let us find out the time before 10 minutes of present time. //
$tm=date ("Y-m-d H:i:s", mktime (date("H"),date("i")-$gap,date("s"),date("m"),date("d"),date("Y")));

Here is the query to do this
$ut=mysql_query("update plus_login set status='OFF' where tm < '$tm'");

At third step it collects the member login ids for which the time is within last 10 minutes and status is set to ON. They are our logged in members or who are active at site. The code you can see one Displaying who are active at site section ( scroll down )

What happens when a user logs out We change the system status to OFF and destroy the session. We have kept this code inside logout page.

$q=mysql_query("update plus_login set status='OFF' where id='$session[id]'");

What happens when member does not interact for more than 10 minutes? You can see every time any page is opened and if the page is calling bottom.php page then all users will be changed to status OFF if their tm ( field ) is less than 10 minute of present time. So if no other member has opened any page then the status will not change to OFF. If you think this is to be taken care then you can use one scheduler ( win server ) or cron to run the status update part once in every 10 minutes. Check the query above at the third step.

Displaying who are active at site We have kept the code inside bottom.php file, so from any other page this page can be called. You can see the code inside this page where we have used one simple query to collect the user id for which status is ON and time field ( tm ) is more than present time minus 10 minutes. The query is here .

$qt=mysql_query("select userid from plus_login where tm > '$tm' and status='ON'");

Write PHP Code in HTML File

2010-04-14T19:30:00.002+05:30

Here is the way to write the PHP logic in HTML File(i.e .html file).

In two ways we can achieve this.

1.change the setting in apache configuration file(i.e httpd.conf)

AddType application/x-httpd-php .php ---> AddType application/x-httpd-php .php .html

2. If you don't have the access to httpd.conf you can write .htacees file as

AddType application/x-httpd-php .php .htm .html

and then restart the apache webserver.

prototype.js / jQuery.js conflict and resolution

2010-04-13T18:54:00.000+05:30

when you use jQuery and prototype javascript frameworks togather on the same page, it creates conflicts.

jQuery has provided a resolution to this conflict. The resolution goes as below:

verriding the $-function:

1) you can override that default by calling jQuery.noConflict() at any point after jQuery and the other library have both loaded. For example:

<script src="prototype.js">
</script>
<script src="jquery.js">
</script>
<script>
     jQuery.noConflict();

     // Use jQuery via jQuery(...)
     jQuery(document).ready(function(){
       jQuery("div").hide();
     });

     // Use Prototype with $(...), etc.
     $('someid').hide();

</script>

2) Additionally, there's another option. If you want to make sure that
jQuery won't conflict with another library - but you want the benefit
of a short name, you could do something like this:

<script src="prototype.js">
</script>
<script src="jquery.js">
</script>
<script>
     var $j = jQuery.noConflict();

     // Use jQuery via $j(...)
     $j(document).ready(function(){
       $j("div").hide();
     });

     // Use Prototype with $(...), etc.
     $('someid').hide();

</script>

PHP : Convert PDF Image file to JPEG Using Image magick

2010-04-08T10:14:00.002+05:30

For this you need to insatll Ghostscript first, you can download Ghostscript from here.

< ?php

define('THUMB_WIDTH', 150);
define('THUMB_HEIGHT', 212);

function makeThumbnail($in, $out) {
    $width = THUMB_WIDTH;
    $height = THUMB_HEIGHT;
    $identify = shell_exec("identify -verbose ".$in);
                $matches = array();
                $pattern = '/Geometry: ([0-9]{1,})x([0-9]{1,})/';
        $result = preg_match($pattern, $identify, $matches);
        if( $result && count($matches) ) {
            $h = $matches[1];
            $w = $matches[2];

        }

    $thumbRatio = $width/$height;
    $inRatio = $w/$h;
    $isLandscape = $inRatio > $thumbRatio;

    $size = ($isLandscape ? '1000x'.$height : $width.'x1000');
    $xoff = ($isLandscape ? floor((($inRatio*$height)-$width)/2) : 0);
    $command = system("convert $in -resize $size -crop {$width}x{$height}+{$xoff}+0 ".
        "-colorspace RGB -strip -quality 90 $out");

//     exec($command);
//     echo $command;
}
$file = 'scan0001.pdf';
$out = 'scan0001_thumb.jpg';
makeThumbnail($file,$out);

? >

Getting Image magick working on XAMPP for Windows

2010-04-08T10:04:00.009+05:30

First you'd download the newest binary release of Image Magick from http://www.imagemagick.org/script/binary-releases.php#windows. The typical version you'd want to snag will end with Q16-windows-dll.exe. For example, the version I downloaded was ImageMagick-6.4.9-4-Q16-windows-dll.exe. Install Image Magick.

After that you need to download php_imagick_dyn-Q16.dll from here.
if you did not find any php_imagick.zip file just refresh once on above URL.

Once you have download php_imagick_dyn-Q16.dll file put this in xampp/php/ext or php/extension folder.

Then open php.ini and add extension=php_imagick_dyn-Q16.dll.and comment extension=php_imagick.dll if it is already not commented .

And just restart your server.

Opening a file download dialog from a JavaScript function

2010-04-06T20:52:00.000+05:30

< script type="text/javascipt" >
function startDownload()
{
var url='http://server/folder/file.ext';
window.open(url,'Download');
}
< /script >

hide JavaScript errors from the user

2010-04-06T15:45:00.001+05:30

$(window).error(function(){
return true;
});

PHP File Download

2010-04-06T14:17:00.001+05:30

// place this code inside a php file and call it f.e. "download.php"
$path = $_SERVER['DOCUMENT_ROOT']."/path2file/"; // change the path to fit your websites document structure
$fullPath = $path.$_GET['download_file'];

if ($fd = fopen ($fullPath, "r")) {
$fsize = filesize($fullPath);
$path_parts = pathinfo($fullPath);
$ext = strtolower($path_parts["extension"]);
switch ($ext) {
case "pdf":
header("Content-type: application/pdf"); // add here more headers for diff. extensions
header("Content-Disposition: attachment; filename=\"".$path_parts["basename"]."\""); // use 'attachment' to force a download
break;
default;
header("Content-type: application/octet-stream");
header("Content-Disposition: filename=\"".$path_parts["basename"]."\"");
}
header("Content-length: $fsize");
header("Cache-control: private"); //use this to open files directly
while(!feof($fd)) {
$buffer = fread($fd, 2048);
echo $buffer;
}
}
fclose ($fd);

Beginning SSH on Ubuntu

2010-03-31T10:24:00.000+05:30

Installing OpenSSH

The Ubuntu (and MacOS X) flavor of SSH is called OpenSSH, a free, open-source implementation of the ssh protocol. It consists of two basic components, an openssh-client and an openssh-server. SSH clients communicate with SSH servers over encrypted network connections.

The openssh-client software should already be installed by default on Ubuntu. If you want to be able to accept SSH connections as well as request them, you’ll need the server software as well. The easiest way to ensure you have both is simply to run:

sudo apt-get install openssh-client openssh-server

Using SSH to Log into a Remote Computer

Once OpenSSH is installed, you can login to a remote SSH server by using the ssh command:

ssh remoteuser@remotebox

where remoteuser is the username of the remote account you’re trying to access, and remotebox is the remote server’s hostname or IP address.

For example, if you know that your Kubuntu desktop box (now running openssh-server) has a user account named joebanks and that the IP address of that computer on your private LAN is 192.168.0.12, you could login remotely to that account from your Linux/Mac laptop by typing:

ssh joebanks@192.168.0.12

If you’re unsure of a computer’s local IP address, try running ifconfig on that machine. This will display the status of the active network interfaces, and the local IP address of that device will be listed after inet addr. It will most likely be in the form of 192.168.0.xx.

Or, if you’ve got a web hosting account that allows shell access (e.g., DreamHost) with a domain name like cooldomain.com, your syntax might look like:

ssh joebanks@cooldomain.com

Now, the first time an SSH client encounters a new remote server, it will report that it’s never seen the machine before, by printing the following message:

The authenticity of host 'remotebox (192.168.0.12)' can't be established.
RSA key fingerprint is 53:b4:ad:c8:51:17:99:4b:c9:08:ac:c1:b6:05:71:9b.
Are you sure you want to continue connecting (yes/no)?

This is just an extra security measure to ensure that you’re actually connecting to the machine you think you are. If you type yes (the most common response), you’ll see the following:

Warning: Permanently added 'remotebox' (RSA) to the list of known hosts.

Subsequent login attempts to this machine will omit the warning message. You’ll then be asked for the remoteuser’s password:

remoteuser@remotebox's password:

And after correctly entering it, like magic, you’ll be logged into the remote machine, and instead of your local machine’s command prompt, you’ll see the following:

remoteuser@remotebox:~$

And, voila! You can execute commands on the remote machine just as you would on your local box. To close the connection to the remote server, type exit, or use Ctrl-D.

Copying Files

To transfer files and directories from your local machine to the remote server and vice-versa, you’ll use SSH’s “secure copy” command, or scp. To copy a single file from your local machine to the server, use the following syntax:

scp file.txt remoteuser@remotebox:/directory

where file.txt is the name of a file in the current directory of your local machine, remoteuser@remotebox is the username and hostname or IP address of the server (just like in the above ssh examples, and /directory is the directory path on the server where you want your file copied.

For example, if you want to copy the local file.txt to the /home/joebanks/docs directory on the server you logged into above, you’ll run the following command from a local terminal session:

scp file.txt joebanks@192.168.0.12:/home/joebanks/docs

You can be as verbose as you want with the local and remote filenames and directories, even changing the filename in the process, like so:

scp ~/docs/oldfile.txt joebanks@192.168.0.12:/home/joebanks/docs/newfile.txt

To copy a file from the server to your local machine, use the following syntax:

scp remoteuser@remotebox:file.txt /local/directory

where remoteuser@remotebox is the username and hostname or IP address of the server, file.txt is a file in the /home/remoteuser directory, and /local/directory is the local directory path into which the file will be copied.

Again, you can be as verbose as necessary, for example:

scp joebanks@192.168.0.12:~/docs/newfile.txt /home/joe/downloads

Copying Directories

To copy an entire directory (and all of its contents) from the local machine to the remote server, use the recursive -r switch, like so:

scp -r /local/directory remoteuser@remotebox:/remote/directory

where /local/directory is the path to the local directory you want copied, and /remote/directory is the remote directory into which you want the directory to be copied.

To copy an entire directory (and all of its contents) from the remote server to the local machine, use the following:

scp -r remoteuser@remotebox:/remote/directory /local/directory

where /remote/directory is the path to the remote directory you want copied, and /local/directory is the local directory into which you want the directory to be copied.

PHPMyAdmin Installation on Fedora

2010-03-30T18:23:00.000+05:30

Step One
To install PHPMyAdmin using yum, simply issue
# yum -y install phpMyAdmin.noarch
Step Two
PHPMyAdmin Security Access
By default installation, phpmyadmin administration page can only be accessed from localhost via web browser for added security. If you wish to access phpmyadmin page from multiple hosts, modify phpmyadmin conf page as shown below
# vi /etc/httpd/conf.d/phpMyAdmin.conf
and edit the necessary settings. For example, if you require phpmyadmin web page to be accessible from a computer host with an IP address of 123.123.123.123, edit phpMyAdmin.conf to reflect the below similar lines
#order deny,allow
#deny from all
Allow from All
allow from 127.0.0.1
allow from 123.123.123.123

and next add the Allow from All Line
< Directory /usr/share/phpMyAdmin/libraries >
Order Deny,Allow
Allow from All
< /Directory>
Save, exit and reload apache web server.
# service httpd restart

Enable mode_rewrite module in xampp

2010-03-25T18:08:00.000+05:30

If you running XAMPP on Windows and unable to figure out how to enable mod_rewrite in apache then here is the solution and it is very simple

Search for httpd.conf file in xampp folder it should be located at xampp/apache/conf and open file in any editor and search for below line:

#LoadModule rewrite_module modules/mod_rewrite.so

and just remove the "#" symbol then it will be like

LoadModule rewrite_module modules/mod_rewrite.so

Next, search for "AllowOverride None" and change it to "AllowOverride All". It is correct once and wrong twice in the file.

Once you have made these changes, save httpd.conf file and restart Apache for mod_rewrite to take effect.

Iframe Popup's

2010-03-23T12:32:00.000+05:30

<span style="color: #330099; font-weight: bold;">This is the Ifram panel which has to be written in Aspx page or Masterpage</span>

<asp:panel borderstyle="None" id="pnlPopup" runat="server" style="display: none;">
<iframe frameborder="0" id="ifrmPopup" runat="server" style="border: 0pt none; height: 500px; width: 800px;"></iframe>
</asp:panel>
<ajaxtoolkit:modalpopupextender backgroundcssclass="modalpopupclass" id="mpePopup" popupcontrolid="pnlPopup" runat="server" targetcontrolid="hdnMPE">
</ajaxtoolkit:modalpopupextender>
<asp:button id="hdnMPE" runat="server" style="display: none;">

<span style="color: #330099; font-weight: bold;">=== Script for opening popup ====</span>

<script language="javascript" type="text/javascript">
function funPopup(id) {

var frm = document.getElementById('ctl00_ContentPlaceHolder1_ifrmPopup');
frm.src = "../ModalPopups/Delete.aspx"; <span style="color: rgb(51, 0, 153);"> (Your page URL which has to be opened)</span>
frm.style.height = "220px";
frm.style.width = "750px";
var obj1 = $find('ctl00_ContentPlaceHolder1_mpePopup');
if (obj1 != null) {
obj1.show();
}
return false;
}
</script>

================ Popup css ==================

.modalpopupclass
{
background-color:Gray;
filter:alpha(opacity=40);
opacity:0.4;
}

================ Add in webConfig ============

<add assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="ajaxToolkit">

================ Method to call for image ===========

<asp:imagebutton id="img" imagealign="Middle" imageurl="~/Images/Image.gif" runat="server">

=============== .cs (Page Load) ===========

imgDelete.Attributes.Add("onclick", "javascript:return funPopup()");

<span style="color: #330099; font-weight: bold;">=====For closing popup (this has to be written in popup.aspx page)====== </span>

<script language="javascript" type="text/javascript">
function funPopupClose() {
window.parent.document.getElementById('ctl00_ContentPlaceHolder1_ifrmPopup').src = "";
var objF = window.parent.$find('ctl00_ContentPlaceHolder1_mpePopup');
objF.hide();
//window.parent.document.forms[0].submit();
return false;
}
</script></asp:imagebutton></add></asp:button>

Free Google Gadgets For Your Website

2010-03-23T11:34:00.000+05:30

Here you can find the Gadgets from Goolgle which you can integrate in website very easily.

Create Multisite in Drupal

2010-03-22T18:36:00.000+05:30

To create multisite in drupal we need to change hosts configuration file as follows:
Windows/System32/drivers/etc/hosts (for windows)
And add new line like
127.0.0.1 loclahost
127.0.0.1 subdomain

after that just craete a folder called subdomian in drupal6/sites, then copy the settings.php file in newly created folder.Once done all the above steps Just type the URL like http;//subdomain/drupal6 in your browser then it will install new site.

If you want to create a url like just http://subdomain then you need create the Virtualhost in httpd.conf file like,

< VirtualHost *:80 >
DocumentRoot C:/xampp/htdocs/drupal6
ServerName subdomain

< /VirtualHost >

Backup Mysql Database From Commandline

2010-03-22T14:32:00.001+05:30

Backing up your database is something you should do often. Like most things, there are a lot of ways to do this, but using the command-line is one of the best. Why? Because it helps you get around potential problems like execution timeouts for tools like phpMyAdmin, and potential network dropouts from using a local administration tool like MySQL Workbench.

mysqldump -h localhost -u username -p database_name > backup_db.sql

take a backup in compress mode:

mysqldump -u username -h localhost -p database_name | gzip -9 > backup_db.sql.gz

(OR)

mysqldump -u username -p database_name | gzip -c backup.sql.gz

Now, to explain what’s going on here! The “mysqldump” program is a tool for creating database backups. The parameters being used are:

“-u” switch means you’re going to specify a username to connect with, which must follow, like “-u mysqluser” above
“-p” switch means you’re either going to immediately specify the password to use (with no space), or it’ll prompt you for one
The final parameter used in the example above is the name of the database to backup (of course!)

If you ran the command above, you would’ve seen the contents of your database go whizzing by on the screen. That’s good, because we know that part works (actually connecting to the database), but it’s also bad, because… where did it go? Answer: nowhere! It scrolled past, and that was it. Now we need to capture it and put it in a file.
To place the contents of the output into a file, for back-up purposes, we need to use what’s called a redirection.

Convert Array to XML format

2010-03-22T11:39:00.000+05:30

Take Full Backup From cPanel By PHP Script

2010-03-18T17:39:00.000+05:30

Make one php file and give it to name whatever you want like details_cp.php, this file is just for details of your cPanel and FTP and other things. So the content of details_cp.php would be given below

<?php
$cpuser = “cpanel username”; //cPanel Username
$cppass = “cpanel Password”; //cPanel Username
$domain = “yourdomain.com”; // Domain name you want to take backup
$skin = “x2″; // no need to change
$ftpuser = “FTP username”; // FTP username
$ftppass = “FTP password”; // FTP username
$ftphost = “FTP host”; // FTP Host
$ftpmode = “passiveftp”;
$ftpdir = “/subdir”;
$notifyemail = “webmaster@mydomain.com”; // Email which will use in case of any error.
$delbackup = 1;
$secure = 0; // If you are using secure ssl connection
$debug = 0;
?>

After that you have to create second file, which is then main backup script,

<?php
include(‘details_cp.php’);
if ($secure) {
$url = “ssl://”.$domain;
$port = 2083;
} else {
$url = $domain;
$port = 2082;
}
if ($delbackup) {
$conn_id = ftp_connect($ftphost);
if ($conn_id) {
$ok = ftp_login($conn_id, $ftpuser, $ftppass);
if ($ok) {
if (!empty($ftpdir)) {
$ok = ftp_chdir($conn_id,$ftpdir);
}
if ($ok) {
$dirlist = ftp_nlist($conn_id, “backup*”);
if (!empty($dirlist[0])) @ftp_delete($conn_id,$dirlist[0]);
}
}
ftp_close($conn_id);
}
}
$socket = fsockopen($url,$port);
if (!$socket) { echo “Cannot connect to $url\n”; exit; }
$authstr = $cpuser.”:”.$cppass;
$pass = base64_encode($authstr);
$request_data = “dest=”.urlencode($ftpmode).”&email=”.urlencode($notifyemail);
$request_data .= “&server=”.urlencode($ftphost).”&user=”.urlencode($ftpuser);
$request_data .= “&pass=”.urlencode($ftppass);
if (!empty($ftpdir)) $request_data .= “&rdir=”.urlencode($ftpdir);
$request_data .= “&submit=”.urlencode(‘Generate Backup’);
fputs($socket,”POST /frontend/”.$skin.”/backup/dofullbackup.html HTTP/1.1\r\n”);
fputs($socket,”Host: $domain\r\n”);
fputs($socket,”Authorization: Basic $pass\r\n”);
fputs($socket,”Content-type: application/x-www-form-urlencoded\r\n”);
fputs($socket,”Content-length: “.strlen($request_data).”\r\n\r\n”.$request_data);
while (!feof($socket)) {
$response = fgets($socket,4096);
if ($debug) echo $response;
}
fclose($socket);
?>

Then upload these to files and just run backup_cp.php it will create the .zip file in our root directory

Jquery: Ajax Function

2010-03-16T14:07:00.002+05:30

$.ajax({
type: "POST",
url: "some.php",
data: "name=John&location=Boston",
success: function(msg){
alert( "Data Saved: " + msg );
}
});

for more detailed Information:
http://api.jquery.com/jQuery.ajax/

JS:Bookmark & Share Widget

2010-03-15T14:28:00.000+05:30

< a class="addthis_button" href="http://www.addthis.com/bookmark.php?v=250&username=xa-4b9df5e0641b728d">< img src="http://s7.addthis.com/static/btn/v2/lg-share-en.gif" width="125" height="16" alt="Bookmark and Share" style="border:0" />

For more Information:
http://www.addthis.com/

Google API: Add a YouTube Video to Your Web Site

2010-03-11T14:25:00.000+05:30

Google API: An AJAX Currency Converter

2010-03-11T11:07:00.001+05:30

Geolocation by geoPlugin

Google API: Embedding a Google Map

2010-03-11T11:05:00.001+05:30

<html>
 <head>
  <script src="http://maps.google.com/maps?file=api&v=2&key=Your_Google_Maps_API_Key" type="text/javascript"></script>
  <script language="JavaScript" src="http://www.geoplugin.net/javascript.gp" type="text/javascript"></script>
 
  <script type="text/javascript">
    function load() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map"));
        map.addControl(new GLargeMapControl());
        map.addControl(new GMapTypeControl());
        map.setCenter(new GLatLng(geoplugin_latitude(), geoplugin_longitude()), 12);
      }
    }
  </script>
 </head>
 <body>
   <div id="map" style="width: 500px; height: 300px"></div>
   <script>load();</script>
 </body>
</html>

Google API: Your own personalized weather forecast

2010-03-11T11:01:00.000+05:30

This code requires the ParseXml class.

<?php
 
$geoplugin = unserialize( file_get_contents('http://www.geoplugin.net/php.gp?ip=' . $_SERVER['REMOTE_ADDR']) );
 
if ( is_numeric($geoplugin['geoplugin_latitude']) && is_numeric($geoplugin['geoplugin_longitude']) ) {
 
    $lat = $geoplugin['geoplugin_latitude'];
    $long = $geoplugin['geoplugin_longitude'];
    //set farenheight for US
    if ($geoplugin['geoplugin_countryCode'] == 'US') {
        $tempScale = 'fahrenheit';
        $tempUnit = '&deg;F';
    } else {
        $tempScale = 'celsius';
        $tempUnit = '&deg;C';
    }
    require_once('ParseXml.class.php');
 
    $xml = new ParseXml(); 
    $xml->LoadRemote("http://api.wunderground.com/auto/wui/geo/ForecastXML/index.xml?query={$lat},{$long}", 3);
    $dataArray = $xml->ToArray();
 
    $html = "<center><h2>Weather forecast for " . $geoplugin['geoplugin_city'];
    $html .= "</h2><table cellpadding=5 cellspacing=10><tr>";
 
    foreach ($dataArray['simpleforecast']['forecastday'] as $arr) {
 
        $html .= "<td align='center'>" . $arr['date']['weekday'] . "<br />";
        $html .= "<img src='http://icons-pe.wxug.com/i/c/a/" . $arr['icon'] . ".gif' border=0 /><br />";
        $html .= "<font color='red'>" . $arr['high'][$tempScale] . $tempUnit . " </font>";
        $html .= "<font color='blue'>" . $arr['low'][$tempScale] . $tempUnit . "</font>";
        $html .= "</td>";
 
 
    }
    $html .= "</tr></table>";
 
    echo $html;
}
 
?>