original_string: public function extend($maxlifetime = 86400) {
          if ($this->factory) {
              return $this->factory->extend_lock($this, $maxlifetime);
          }
          return false;
      }
code: public function extend($maxlifetime = 86400) {
          if ($this->factory) {
              return $this->factory->extend_lock($this, $maxlifetime);
          }
          return false;
      }
code_tokens: public function extend ( $ maxlifetime = 86400 ) { if ( $ this -> factory ) { return $ this -> factory -> extend_lock ( $ this , $ maxlifetime ) ; } return false ; }
docstring: Extend the lifetime of this lock. Not supported by all factories.
  @param int $maxlifetime - the new lifetime for the lock (in seconds).
  @return bool
docstring_tokens: Extend the lifetime of this lock . Not supported by all factories .