original_string: public function registered($name) {
  		$name = $this->getAlias($name);
  
  		return array_key_exists($name, $this->components);
  	}
code: public function registered($name) {
  		$name = $this->getAlias($name);
  
  		return array_key_exists($name, $this->components);
  	}
code_tokens: public function registered ( $ name ) { $ name = $ this -> getAlias ( $ name ) ; return array_key_exists ( $ name , $ this -> components ) ; }
docstring: Determine component has been registered
  @param  string $name component name
  @return boolean
docstring_tokens: Determine component has been registered