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How can the $_SERVER variable be utilized to manipulate URLs in PHP?

The $_SERVER variable in PHP can be utilized to manipulate URLs by accessing the 'REQUEST_URI' key, which contains the URL path requested by the clien...

How can a PHP developer ensure accurate tracking of logged-in users on a website?

To ensure accurate tracking of logged-in users on a website, a PHP developer can utilize sessions to store user information securely. By setting sessi...

Are there alternative methods or technologies that can be used to retrieve user information in PHP?

When retrieving user information in PHP, one alternative method is to use AJAX to make asynchronous requests to a server-side script that fetches the...

What are some common pitfalls to avoid when using PHP to handle user-generated content in a shoutbox?

One common pitfall when handling user-generated content in a shoutbox using PHP is not properly sanitizing input data, which can leave your applicatio...

How can PHP be used to detect and redirect traffic from one domain to another based on meta tags and the title bar content?

To detect and redirect traffic from one domain to another based on meta tags and the title bar content, you can use PHP to check the meta tags and tit...