Snippets → PHP

function url_exists($url) {
    $hdrs = @get_headers($url);
    return is_array($hdrs) ? preg_match('/^HTTP\/\d+\.\d+\s+2\d\d\s+.*$/',$hdrs[0]) : false;
}

Comments (1) - Leave yours

1. David V. Wallin said: April 5, 2012 at 8:47 am

   Nice function.
   My only real comment to this is that i, personally, hate ternary operation.

   I’d probably write it like this;

   function url_exists($url=false) {
   if ( $url != false )
   {
   $hdrs = @get_headers($url);
   if ( is_array($hdrs) )
   {
   return preg_match(‘/^HTTP\/\d+\.\d+\s+2\d\d\s+.*$/’,$hdrs[0]);
   }
   return false;
   }
   return false;
   }