wp_reset_vars() WP 1.0

Resets global variables based on $_GET and $_POST

This function resets global variables based on the names passed in the $vars array to the value of $_POST[$var] or $_GET[$var] or '' if neither is defined.

No Hooks.

Return

Null. Nothing.

Usage

wp_reset_vars( $vars );

$vars(array) (required): An array of globals to reset.

Changelog

Since 2.0.0

Introduced.

Code of wp reset vars: `wp-admin/includes/misc.php` ^{WP 5.4.2}

<?php
function wp_reset_vars( $vars ) {
	foreach ( $vars as $var ) {
		if ( empty( $_POST[ $var ] ) ) {
			if ( empty( $_GET[ $var ] ) ) {
				$GLOBALS[ $var ] = '';
			} else {
				$GLOBALS[ $var ] = $_GET[ $var ];
			}
		} else {
			$GLOBALS[ $var ] = $_POST[ $var ];
		}
	}
}