function dimensions jpeg array jpeg JPEG jpg JPG gif array gif GIF png

  function dimensions($f)
  {
    $jpeg = array("jpeg", "JPEG", "jpg", "JPG");
    $gif = array("gif", "GIF");
    $png = array("PNG", "png");

    $type = explode(".", $f);
    $type = $type[count($type)-1];
    
    if (in_array($type, $jpeg))
      $im_src = imagecreatefromjpeg($f); 
    if (in_array($type, $gif))
      $im_src = imagecreatefromgif($f); 
    if (in_array($type, $png))
      $im_src = imagecreatefrompng($f); 
    if (!empty($im_src))
    {
      $w = imagesx($im_src); 
      $h = imagesy($im_src);
      return array($w, $h);
    }
  }
    
  
  
  

  function filetext($f)
  {
    $info = file($f);
    return implode("", $info);
  }