Retrieves original referer that was posted, if it exists.

string|false Original referer URL on success, false on failure.

HTTP referer is a server variable. ‘referer’ is deliberately miss-spelled.

File: wp-includes/functions.php. View all references

function wp_get_original_referer() {
	if ( ! empty( $_REQUEST['_wp_original_http_referer'] ) && function_exists( 'wp_validate_redirect' ) ) {
		return wp_validate_redirect( wp_unslash( $_REQUEST['_wp_original_http_referer'] ), false );
	}

	return false;
}