original_string: protected function append($prop, $pos = null) {
  if ($pos !== null) $prop[-1] = $pos;
  $this->env->props[] = $prop;
  }
code: protected function append($prop, $pos = null) {
  if ($pos !== null) $prop[-1] = $pos;
  $this->env->props[] = $prop;
  }
code_tokens: protected function append ( $ prop , $ pos = null ) { if ( $ pos !== null ) $ prop [ - 1 ] = $ pos ; $ this -> env -> props [ ] = $ prop ; }
docstring: append a property to the current block
docstring_tokens: append a property to the current block