This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

wp_unregister_GLOBALS()

Turn register globals off.

Source

File: wp-includes/load.php

function wp_unregister_GLOBALS() {
	if ( !ini_get( 'register_globals' ) )
		return;

	if ( isset( $_REQUEST['GLOBALS'] ) )
		die( 'GLOBALS overwrite attempt detected' );

	// Variables that shouldn't be unset
	$no_unset = array( 'GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix' );

	$input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() );
	foreach ( $input as $k => $v )
		if ( !in_array( $k, $no_unset ) && isset( $GLOBALS[$k] ) ) {
			unset( $GLOBALS[$k] );
		}
}

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Changelog

Changelog
Version	Description
WP-2.1.0	Introduced.