code: public function release($name)
      {
          if ($this->releaseLock($name)) {
              $index = array_search($name, $this->_locks);
              if ($index !== false) {
                  unset($this->_locks[$index]);
              }
  
              return true;
          }
  
          return false;
      }
docs: Releases acquired lock. This method will return false in case the lock was not found.
  @param string $name of the lock to be released. This lock must already exist.
  @return bool lock release result: false in case named lock was not found..