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Search results for: "$_SERVER"

What is the difference between $_SERVER['QUERY_STRING'] and $_SERVER['REQUEST_URI'] in PHP?

$_SERVER['QUERY_STRING'] contains the query string portion of the URL, which includes the parameters passed to the script. On the other hand, $_SERVER...

What are the differences between $_SERVER['HTTP_HOST'], $_SERVER['HTTP_ORIGIN'], and $_SERVER['REQUEST_SCHEME'] in PHP?

$_SERVER['HTTP_HOST'] contains the hostname of the server where the script is running, $_SERVER['HTTP_ORIGIN'] contains the origin of the request (e.g...

What are the differences between using $_SERVER['HTTP_REFERER'] and $_SERVER['REQUEST_URI'] in PHP?

$_SERVER['HTTP_REFERER'] contains the URL of the page that referred the user to the current page, while $_SERVER['REQUEST_URI'] contains the URI of th...

What role does var_dump($_SERVER) play in resolving issues related to $_SERVER['PHP_SELF'] usage?

When using $_SERVER['PHP_SELF'] to get the current page's filename, there may be issues with the value returned due to server configuration or URL rew...

How does using $_SERVER['HTTP_REFERER'] differ from $_SERVER['HTTP_ACCEPT_LANGUAGE'] in PHP?

$_SERVER['HTTP_REFERER'] is used to retrieve the URL of the referring page that linked to the current page, while $_SERVER['HTTP_ACCEPT_LANGUAGE'] is...

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