protected function prepareToIndent()
    {
        foreach ($this->lines as $lineNumber => $line) {
            $this->lines[$lineNumber] = trim($line);
        }

        $this->outputLines = $this->lines;
    }
protected function prepareToIndent()
    {
        foreach ($this->lines as $lineNumber => $line) {
            $this->lines[$lineNumber] = trim($line);
        }

        $this->outputLines = $this->lines;
    }
protected function prepareToIndent ( ) { foreach ( $ this -> lines as $ lineNumber => $ line ) { $ this -> lines [ $ lineNumber ] = trim ( $ line ) ; } $ this -> outputLines = $ this -> lines ; }
Pre-process all the lines so they are ready to be indented
Pre - process all the lines so they are ready to be indented