i-keng.com » url exists http://www.i-keng.com free php scripts ajax web resource Sun, 29 Aug 2010 08:59:20 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Check external URL exists Using PHP http://www.i-keng.com/2009/09/26/check-target-url-exists/ http://www.i-keng.com/2009/09/26/check-target-url-exists/#comments Fri, 25 Sep 2009 17:08:17 +0000 i-keng http://www.i-keng.com/?p=62 วิธีตรวจสอบว่า URL ปลายทางนั้นมีอยู่จริงรึป่าว ??

วิธีใช้งาน

<?
     echo url_exists("http://www.i-keng.com/images/i-keng.png");
?>

ตัว Function อยู่ด้านในนะจ๊ะ…

ตัว Function 


<?
     function url_exists($url){
         $url = str_replace("http://", "", $url);
         if (strstr($url, "/")) {
             $url = explode("/", $url, 2);
             $url[1] = "/".$url[1];
         } else {
             $url = array($url, "/");
         }
         $fh = fsockopen($url[0], 80);
         if ($fh) {
             fputs($fh,"GET ".$url[1]." HTTP/1.1\nHost:".$url[0]."\n\n");
             if (fread($fh, 22) == "HTTP/1.1 404 Not Found") {
                 return FALSE;
             } else {
                 return true;   
             }
         } else {
             return false;
         }
     }
?>
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