feqef

<?php

class XMLGenerator
{

    // отступ n-ого уровня
    private function indent($level)
    {
        $indent = '';
        $delta = '   ';
        for ($i = 0; $i < $level; $i++) $indent .= $delta;
        return $indent;
    }

    // генерация XML с отступами
    private function generate_xml($info, $history)
    {
        $current_level = 0;
        $result = self::indent($current_level) . "<?xml version=\"1.0\"?>\n";
        $result .= self::indent($current_level) . "<customer name=\"{$info['name']}\" email=\"{$info['email']}\" phone=\"{$info['phone']}\">\n";
        $current_level++;
        foreach ($history as $order) {
            $result .= self::indent($current_level) . "<order id=\"{$order['id']}\" date=\"" . date('H:i:s d-m-Y', $order['date']) . "\" total_price=\"{$order['totalPrice']}\">\n";
            $current_level++;
            foreach ($order['products'] as $product) {
                $result .= self::indent($current_level) . "<product>\n";
                $current_level++;
                $result .= self::indent($current_level) . "<name>{$product['name']}</name>\n";
                $result .= self::indent($current_level) . "<price>{$product['price']}</price>\n";
                $result .= self::indent($current_level) . "<qty>{$product['qty']}</qty>\n";
                $current_level--;
                $result .= self::indent($current_level) . "</product>\n";
            }
            $current_level--;
            $result .= self::indent($current_level) . "</order>\n";
        }
        $current_level--;
        $result .= self::indent($current_level) . "</customer>\n";

        return $result;
    }

    // сгенерировать XML-файл
    public static function generate_xml_file($info, $history)
    {
        $file = fopen('result.xml', 'w+');
        fwrite($file, self::generate_xml($info, $history));
        fclose($file);
    }

    // возврат XML с отступами
    public static function generate_xml_string_with_indents($info, $history)
    {
        return self::generate_xml($info, $history);
    }

    // возврат XML без отступов и в одну строку
    public static function generate_xml_string($info, $history)
    {
        return str_replace(self::indent(1), "", str_replace("\n", "", self::generate_xml($info, $history)));
    }
}

?>