original_string: public function getKey($key) {
  		$out = NULL;
  		if ($this->hasKey($key)) {
  			$out = $this->key[$key];
  			unset($this->key[$key]);
  		}
  		return $out;
  	}
code: public function getKey($key) {
  		$out = NULL;
  		if ($this->hasKey($key)) {
  			$out = $this->key[$key];
  			unset($this->key[$key]);
  		}
  		return $out;
  	}
code_tokens: public function getKey ( $ key ) { $ out = NULL ; if ( $ this -> hasKey ( $ key ) ) { $ out = $ this -> key [ $ key ] ; unset ( $ this -> key [ $ key ] ) ; } return $ out ; }
docstring: get and clear a flash key, if it's existing
  @param $key
  @return mixed|null
docstring_tokens: get and clear a flash key if it s existing