export posts to wordpress

wordpress_import.php

<?php
date_default_timezone_set('America/Los_Angeles');
$mysqli = new mysqli("localhost:8889", "root", "root", "kripipastacom");
if ($mysqli->connect_errno) {
    echo "Не удалось подключиться к MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error;
}

$file = fopen('export.xml', "w+");
$header = '<?xml version="1.0" encoding="UTF-8" ?>

<rss version="2.0"
	xmlns:excerpt="http://wordpress.org/export/1.2/excerpt/"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:wp="http://wordpress.org/export/1.2/"
>

<channel>
	<wp:wxr_version>1.2</wp:wxr_version>
	<wp:author></wp:author>';

$footer = '</channel>
</rss>';
fwrite($file, $header);

$res = $mysqli->query("SELECT id, title, content, create_time, url, approved FROM kp_story WHERE approved != 2 ORDER BY id ASC");
$res->data_seek(0);
while ($row = $res->fetch_assoc()) {
	$likes = $mysqli->query("SELECT id FROM kp_rating WHERE model_id = 0 AND target_id = " . $row['id'] . " AND value = 1")->num_rows;
	$dislikes = $mysqli->query("SELECT id FROM kp_rating WHERE model_id = 0 AND target_id = " . $row['id'] . " AND value = 0")->num_rows;
	$text = '
	<item>
		<title>' . htmlspecialchars($row['title']) . '</title>
		<description></description>
		<content:encoded><![CDATA[' . htmlspecialchars(str_replace('<img src="', '<img src="http://kripipasta.com', $row['content'])) . ']]></content:encoded>
		<excerpt:encoded><![CDATA[]]></excerpt:encoded>
		<wp:status>publish</wp:status>
		<wp:post_type>post</wp:post_type>
		<pubDate>' . date('D, d F Y h:i:s +0000') . '</pubDate>
		<wp:post_date><![CDATA[' . date('Y-m-d h:i:s', $row['create_time']) . ']]></wp:post_date>
		<wp:post_date_gmt><![CDATA[' . date('Y-m-d h:i:s', $row['create_time']) . ']]></wp:post_date_gmt>
		<category domain="category" nicename="strange"><![CDATA["Разное"]]></category>
		<wp:post_type>post</wp:post_type>
		<wp:postmeta>
			<wp:meta_key><![CDATA[vortex_system_dislikes]]></wp:meta_key>
			<wp:meta_value><![CDATA[' . $dislikes . ']]></wp:meta_value>
		</wp:postmeta>
		<wp:postmeta>
			<wp:meta_key><![CDATA[vortex_system_likes]]></wp:meta_key>
			<wp:meta_value><![CDATA[' . $likes . ']]></wp:meta_value>
		</wp:postmeta>
	</item>';
	fwrite($file, $text);
}
fwrite($file, $footer);
fclose($file);