original_string: public function push()
      {
          $start = $this->_start[$this->_idx++] = array(
              memory_get_usage(),
              memory_get_peak_usage(),
              memory_get_usage(true),
              memory_get_peak_usage(true)
          );
          return $start;
      }
code: public function push()
      {
          $start = $this->_start[$this->_idx++] = array(
              memory_get_usage(),
              memory_get_peak_usage(),
              memory_get_usage(true),
              memory_get_peak_usage(true)
          );
          return $start;
      }
code_tokens: public function push ( ) { $ start = $ this -> _start [ $ this -> _idx ++ ] = array ( memory_get_usage ( ) , memory_get_peak_usage ( ) , memory_get_usage ( true ) , memory_get_peak_usage ( true ) ) ; return $ start ; }
docstring: Push a new tracker on the stack.
docstring_tokens: Push a new tracker on the stack .