php_parser.php
protected function openTag($tag)
    {
        $name = $tag->getTagName();
        if (! in_array($name, array_keys($this->tags))) {
            $this->tags[$name] = array();
        }
        $this->tags[$name][] = $tag;
    }
protected function openTag($tag)
    {
        $name = $tag->getTagName();
        if (! in_array($name, array_keys($this->tags))) {
            $this->tags[$name] = array();
        }
        $this->tags[$name][] = $tag;
    }
Opens a tag for receiving content.
Multiple tags will be receiving input at the same time.

@param SimpleTag $tag        New content tag.