CCNA, CCNP, MCSA, CCNA Final Exam, All Answer Test Module With 100/100

Function I have (in includes/functions_posting.php): function url_exists($url) { $handle = @fopen($url, "r"); if ($handle === false){ return false; fclose($handle); } else{ return true; fclose($handle); } } Usage (In posting.php): $your_url = "http://www.somewhere.com/index.php"; $your_url = preg_replace(array('#&\#46;#','#&\#58;#','/\[(.*?)\]/'), array('.',':',''), $your_url); if (url_exists($your_url)) { echo 'yeah, its reachable'; } else { echo 'what da hell..'; } I think it works just fine. I get the text echoed on header with an error saying headers already sent. Instead of echo I now use trigger_error('error message); Now I get the error the way I want it to be,except that no matter what the url I have in $your_url I keep getting the same error that the URL exists even when it's not! Also,I'd like to make the function