wp_get_original_referer()

Retrieves original referer that was posted, if it exists.

Return

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

Source

File: wp-includes/functions.php 

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;
}

Expand Source Code View on GitHub

Changelog

Changelog
Version Description
2.0.4 Introduced.