strange code on controller.php

public function populatedb()

	{

		$db = Komento::getDBO();

		$articles = array('8', '50', '35');

		$authors = array( '0' => 'Alien', '42' => 'Super User', '62' => 'Jason' );

		$comments = array( 'hahaha  love you', 'me too!!!', 'this is a link http://test.com', 'bbcode in use  **** you');