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Learn how to correctly pass URL parameters to example.php using .htaccess settings.
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How to Correctly Pass a URL Parameter to example.php Using .htaccess

URL parameters are essential in web development for transferring data between web pages. When working with an .htaccess file, it's crucial to understand how to correctly pass these parameters to your PHP scripts like example.php. Here's a straightforward guide to help you achieve this.

Step-by-Step Guide

Locate Your .htaccess File
First, ensure that your .htaccess file is placed in the root directory of your server where example.php resides. If it doesn't already exist, create a new .htaccess file.

Modify Your .htaccess File
Open your .htaccess file for editing. To pass URL parameters to example.php, you need to use the RewriteEngine and RewriteRule directives.

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Explanation

RewriteEngine On: This enables the rewrite engine, allowing .htaccess to make the necessary URL transformations.

RewriteRule: This directive specifies the pattern to match and how to transform it.

^example/([\w-]+)/?$: This pattern matches URLs like example/your-param. The ([\w-]+) part captures any word characters or hyphens, which will be passed as parameters.

example.php?param=$1 [L,QSA]: This transforms the URL to invoke example.php with the captured parameter ($1).

The flags [L,QSA] mean:

L: This is the last rule, and no further rewriting will occur after this.

QSA: Query String Append ensures any additional query parameters are appended to the URL.

Test Your Configuration
To verify that everything works correctly, navigate to a URL such as http://yourdomain.com/example/your-param. This URL should correctly pass your-param to example.php and allow you to access it via $_GET['param'] in example.php.

Example PHP Code
Below is a sample example.php script to demonstrate how you can access the passed parameter:

[[See Video to Reveal this Text or Code Snippet]]

This script checks if the parameter param is set and safely outputs its value. If no parameter is passed, it indicates that to the user.

Conclusion
Properly passing URL parameters to example.php using .htaccess involves configuring the rules correctly to transform the URL. By following the steps given, you can easily manage URL parameters, enhancing your website functionality and user experience.