Something

function check_url($url_to_check) {	$check_strings = array(		0 => "yahoo",		1 => "google"	);	static $contains_yahoo_status = '0'; 	$url_check_yahoo = strpos($url_to_check, $check_strings['0']); 	if ($url_check_dillards == false) { $contains_yahoo_status = '0'; } else { $contains_yahoo_status = '1'; };}