src/Sasedev/Commons/SharedBundle/Controller/BaseController.php
public function addHeadScript(Script $head_script)
	{

		$this->head_scripts[] = $head_script;

		$this->twig_vars['head_scripts'] = $this->head_scripts;

		return $this;

	}
public function addHeadScript(Script $head_script)
	{

		$this->head_scripts[] = $head_script;

		$this->twig_vars['head_scripts'] = $this->head_scripts;

		return $this;

	}
Add $head_script;

@param Script $head_script

@return BaseController $this