original_string: public function getValue($key) {
  		if (isset ( $this->a [$key] )) {
  			return $this->a [$key];
  		} else {
  			return NULL;
  		}
  	}
code: public function getValue($key) {
  		if (isset ( $this->a [$key] )) {
  			return $this->a [$key];
  		} else {
  			return NULL;
  		}
  	}
code_tokens: public function getValue ( $ key ) { if ( isset ( $ this -> a [ $ key ] ) ) { return $ this -> a [ $ key ] ; } else { return NULL ; } }
docstring: Getter method for a specific value referenced by the given key.
  
  @param string $key
docstring_tokens: Getter method for a specific value referenced by the given key .