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Search results for: "$_SERVER"

What is the difference between $HTTP_SERVER_VARS['REMOTE_ADDR'] and $_SERVER['REMOTE_ADDR'] in PHP?

The difference between $HTTP_SERVER_VARS['REMOTE_ADDR'] and $_SERVER['REMOTE_ADDR'] in PHP is that $HTTP_SERVER_VARS['REMOTE_ADDR'] is an older way of...

What is the difference between using $_SERVER['REMOTE_ADDR'] and gethostbyname($_SERVER['REMOTE_ADDR']) in PHP for retrieving user information?

When retrieving user information in PHP, using $_SERVER['REMOTE_ADDR'] directly gives you the IP address of the user. However, if you want to get the...

How can the use of $_SERVER['HTTP_HOST'] and $_SERVER['REQUEST_URI'] simplify the process of determining the current domain in PHP?

To determine the current domain in PHP, we can use $_SERVER['HTTP_HOST'] to get the hostname of the current request and $_SERVER['REQUEST_URI'] to get...

What are the potential pitfalls of using $_SERVER['SERVER_NAME'] or $_SERVER['HTTP_HOST'] to retrieve the Internet address in PHP?

Potential pitfalls of using $_SERVER['SERVER_NAME'] or $_SERVER['HTTP_HOST'] include susceptibility to header injection attacks and unreliable results...

What are the potential pitfalls of using $_SERVER['SERVER_NAME'] to determine domain?

Using $_SERVER['SERVER_NAME'] to determine the domain can be unreliable as it relies on the server configuration, which may not always be accurate. It...

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