public function getShortcodeCallback($tag)
    {
        return isset($this->shortcodes[$tag]) ? $this->shortcodes[$tag] : null;
    }
public function getShortcodeCallback($tag)
    {
        return isset($this->shortcodes[$tag]) ? $this->shortcodes[$tag] : null;
    }
public function getShortcodeCallback ( $ tag ) { return isset ( $ this -> shortcodes [ $ tag ] ) ? $ this -> shortcodes [ $ tag ] : null ; }
Get a shortcode callback.

@param string $tag

@return mixed
Get a shortcode callback .