original_string: public function wait() {
          if ($this->pid) {
              \pcntl_waitpid($this->pid, $status, WUNTRACED);
              return $status;
          } else {
              return false;
          }
      }
code: public function wait() {
          if ($this->pid) {
              \pcntl_waitpid($this->pid, $status, WUNTRACED);
              return $status;
          } else {
              return false;
          }
      }
code_tokens: public function wait ( ) { if ( $ this -> pid ) { \ pcntl_waitpid ( $ this -> pid , $ status , WUNTRACED ) ; return $ status ; } else { return false ; } }
docstring: Blocking method called by another thread which waits until this
  thread has completed.
docstring_tokens: Blocking method called by another thread which waits until this thread has completed .