original_string: public function log($message, $level, $a = null, $depth = null, $display = false) {
          return $this->step->log($message, $level, $a, $depth, $display);
      }
code: public function log($message, $level, $a = null, $depth = null, $display = false) {
          return $this->step->log($message, $level, $a, $depth, $display);
      }
code_tokens: public function log ( $ message , $ level , $ a = null , $ depth = null , $ display = false ) { return $ this -> step -> log ( $ message , $ level , $ a , $ depth , $ display ) ; }
docstring: Call the log function from the step.
docstring_tokens: Call the log function from the step .