Cloudinary::option_consume PHP Method

    public static function option_consume(&$options, $option, $default = NULL)
    {
        if (isset($options[$option])) {
            $value = $options[$option];
            unset($options[$option]);
            return $value;
        } else {
            unset($options[$option]);
            return $default;
        }
    }

 function cl_image_tag($source, $options = array())
 {
     $source = cloudinary_url_internal($source, $options);
     if (isset($options["html_width"])) {
         $options["width"] = Cloudinary::option_consume($options, "html_width");
     }
     if (isset($options["html_height"])) {
         $options["height"] = Cloudinary::option_consume($options, "html_height");
     }
     $responsive = Cloudinary::option_consume($options, "responsive");
     $hidpi = Cloudinary::option_consume($options, "hidpi");
     if ($responsive || $hidpi) {
         $options["data-src"] = $source;
         $classes = array($responsive ? "cld-responsive" : "cld-hidpi");
         $current_class = Cloudinary::option_consume($options, "class");
         if ($current_class) {
             array_unshift($classes, $current_class);
         }
         $options["class"] = implode(" ", $classes);
         $source = Cloudinary::option_consume($options, "responsive_placeholder", Cloudinary::config_get("responsive_placeholder"));
         if ($source == "blank") {
             $source = Cloudinary::BLANK;
         }
     }
     $html = "<img ";
     if ($source) {
         $html .= "src='{$source}' ";
     }
     $html .= Cloudinary::html_attrs($options) . "/>";
     return $html;
 }