/**
 * Checks if the first line in the file has open tag and second line is not empty
 *
 * @param local_moodlecheck_file $file
 * @return array of found errors
 */
function local_moodlecheck_noemptysecondline(local_moodlecheck_file $file)
{
    $tokens =& $file->get_tokens();
    if ($tokens[0][0] == T_OPEN_TAG && !$file->is_whitespace_token(1) && $file->is_multiline_token(0) == 1) {
        return array();
    }
    return array(array('line' => 2));
}