Flitch\File\File::getLines PHP Method

    public function getLines()
    {
        return $this->lines;
    }

 /**
  * visitFile(): defined by FileRuleInterface.
  *
  * @see    FileRuleInterface::visitFile()
  * @param  File $file
  * @return void
  */
 public function visitFile(File $file)
 {
     foreach ($file->getLines() as $line => $data) {
         if (preg_match('(\\s+$)', $data['content'])) {
             $this->addViolation($file, $line, 0, 'Line contains trailing whitespace');
         }
     }
 }