Prado\Exceptions\TErrorHandler::getSourceCode PHP Method

    private function getSourceCode($lines, $errorLine)
    {
        $beginLine = $errorLine - self::SOURCE_LINES >= 0 ? $errorLine - self::SOURCE_LINES : 0;
        $endLine = $errorLine + self::SOURCE_LINES <= count($lines) ? $errorLine + self::SOURCE_LINES : count($lines);
        $source = '';
        for ($i = $beginLine; $i < $endLine; ++$i) {
            if ($i === $errorLine - 1) {
                $line = htmlspecialchars(sprintf("%04d: %s", $i + 1, str_replace("\t", '    ', $lines[$i])));
                $source .= "<div class=\"error\">" . $line . "</div>";
            } else {
                $source .= htmlspecialchars(sprintf("%04d: %s", $i + 1, str_replace("\t", '    ', $lines[$i])));
            }
        }
        return $source;
    }