May 01
<?php
// Use of session_register() is deprecated
$hello = "Hello world!";
session_register("hello");
// Use of $_SESSION is preferred, as of PHP 4.1.0
$_SESSION["var"] = "Setting this value to the global session variable 'var'.";
// The old way was to use $HTTP_SESSION_VARS
$HTTP_SESSION_VARS["message"] = "Hello world.";
?>
If session_start() was not called before this function is called, an implicit call to session_start() with no parameters will be made. $_SESSION does not mimic this behavior and requires session_start() before use.
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