PHP's getimagesize() throwing "SSL: The specified procedure could not be found" -

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i'm getting following error message using php's getimagesize on small percentage (<5%) of image links tested...

getimagesize(): ssl: specified procedure not found.

here's example that's throwing error (on both local/mamp server , live version)...

getimagesize("https://cdn.meme.am/instances/500x/65858681.jpg");

anyone have ideas how dig further? don't know go , couldn't find many similar questions. thanks!

this code trick 

 <?php function getimgsize($url, $referer = '') {     $headers = array(                     'range: bytes=0-32768'                     );      /* hint: extract referer url */     if (!empty($referer)) array_push($headers, 'referer: '.$referer);      $curl = curl_init($url);     curl_setopt($curl, curlopt_httpheader, $headers);     curl_setopt($curl, curlopt_returntransfer, 1);     $data = curl_exec($curl);     curl_close($curl);      $image = imagecreatefromstring($data);      $return = array(imagesx($image), imagesy($image));      imagedestroy($image);      return $return; }  list($width, $heigth) = getimgsize('https://cdn.meme.am/instances/500x/65858681.jpg', 'https://cdn.meme.am/instances/');  echo $width.' x '.$heigth; ?>

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