Alternativa para getimagesize em ambientes windows.

alternativeGetimagesize.php

<?php


function ranger($url){
    $headers = array(
    "Range: bytes=0-32768"
    );

    $curl = curl_init($url);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $data = curl_exec($curl);
    curl_close($curl);
    return $data;
}


function get_id_thumb_url($thumb_id, $size, $key)
{

  $thumb_url = wp_get_attachment_image_src($thumb_id,$size, false);

  //post_excerpt - legenda
  $legenda = retorna_caption($thumb_id); 

$url = $thumb_url[0];
$raw = ranger($url);
$im = imagecreatefromstring($raw);
$width = imagesx($im);
$height = imagesy($im);


  if ($height<400) { $classImg = 'img-min'; $id='id="frontal-img"'; }else{ $classImg = 'img-500'; } 

  echo '
  <div class="pure-u-1-5 filho-pure" style="padding-right: 6px;" '.$id.'>
    <img class="pure-img-responsive '.$classImg.'" src="' .$thumb_url[0]. '" alt="'.$legenda.'">
    <!-- legenda -->
    <div class="pure-u-1 post-image-meta-bg">
      <div class="post-image-meta">
        <h3>'.$legenda.'</h3>
      </div>
    </div>
  </div>
  ';

}