PHP - GET REMOTE FILE SIZE

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function remote_filesize($url, $user = "", $pw = "") { ob_start(); $ch = curl_init($url); curl_setopt($ch, CURLOPT_HEADER, 1); curl_setopt($ch, CURLOPT_NOBODY, 1);   if(!empty($user) && !empty($pw)) { $headers = array('Authorization: Basic ' .  base64_encode("$user:$pw")); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); }   $ok = curl_exec($ch); curl_close($ch); $head = ob_get_contents(); ob_end_clean();   $regex = '/Content-Length:\s([0-9].+?)\s/'; $count = preg_match($regex, $head, $matches);   return isset($matches[1]) ? $matches[1] : "unknown"; }

Syntax

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<?php $file = "http://koonk.com/images/logo.png"; $size = remote_filesize($url); echo $size; ?>