How to split data in php

You can use the explode function to split data in PHP.

$url = "http://www.domain.com/images.jpg";

$data = explode("/", $url);

$var = $data[count($data) - 1];

Adding a dynamic navigation bar

To add a dynamic navigation bar you can use following simple code for reference.
$navitems = array('filename1.php' => 'Page Name 1', 'filename2.php' => 'Page Name 2');

echo "<ul>\n";

foreach ($navitems AS $k => $v) { 
 echo '<li><a href="' . $k . '" title="' . $v . '">' . $v . "</a></li>\n";
}

echo "</ul>\n";

Adding an editable grid

When you are developing web applications there are situations in which you would like to add an editable grid to the application. Here is the one that can be used for free under GPL.
http://www.webismymind.be/editablegrid/

How to identify the active php.ini

In the development environment sometimes when you have multiple versions of PHP installed on the same wamp setup you need to know which version of php.ini is active.

You can get the path by creating a phpinfo.php file and simply calling the function phpinfo() in it.

Access the file through your browser. It will list all the relevant information about your PHP/MySQL version. Locate the Loaded Configuration File variable and use that path to make changes in the active php.ini file.

Web Basics with PHP

1. How to handle cookies in PHP
setcookie(), $_COOKIE,

2. How to redirect to a different location
header()

3. How to handle sessions in PHP
session_start(), $_SESSION, session_name(), session_save_path()

4. How to detect browser
get_browser()

5. How to read configuration variables
ini_get()