$_POST -- $HTTP_POST_VARS [deprecated] — HTTP POST variables
An associative array of variables passed to the current script
via the HTTP POST method.
$HTTP_POST_VARS contains the same initial
information, but is not a superglobal.
(Note that $HTTP_POST_VARS and $_POST
are different variables and that PHP handles them as such)
Introduced $_POST that deprecated
Example #1 $_POST example
echo 'Hello ' . htmlspecialchars($_POST["name"]) . '!';
Assuming the user POSTed name=Hannes
The above example will output
something similar to:
Note: This is a 'superglobal', or
automatic global, variable. This simply means that it is available in
all scopes throughout a script. There is no need to do
global $variable; to access it within functions or methods.