Compiler.php
protected function indent($offset = 0)
    {

        return $this->isPretty()
            ? str_repeat($this->options['indent_style'], ($this->level + $offset) * $this->options['indent_width'])
            : '';
    }
protected function indent($offset = 0)
    {

        return $this->isPretty()
            ? str_repeat($this->options['indent_style'], ($this->level + $offset) * $this->options['indent_width'])
            : '';
    }
protected function indent ( $ offset = 0 ) { return $ this -> isPretty ( ) ? str_repeat ( $ this -> options [ 'indent_style' ] , ( $ this -> level + $ offset ) * $ this -> options [ 'indent_width' ] ) : '' ; }
Returns indentation respecting the current level and the pretty-option.

The $offset will be added to the current level

@param int $offset an offset added to the level

@return string
Returns indentation respecting the current level and the pretty - option .