Which superglobal is used to access data sent via the HTTP POST method?

Explanation

The `$_POST` superglobal is an associative array of variables passed to the current script via the HTTP POST method. While `$_REQUEST` (C) can contain POST data, it is a merged array of GET, POST, and COOKIE, making `$_POST` the specific superglobal for POST data.

Key points

$_POST specifically targets POST request data
$_REQUEST is a combined superglobal
$_FILES handles file uploads specifically

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