Wordpress WooCommerce Skroutz XML feed generator

template-skroutz.php

<?php
/*
*Template Name: Skroutz XML
*/

/*
* This Wordpress template generates a xml feed for skroutz.gr
*/

header ("Content-Type:text/xml");

$posts = get_posts(array(
	'numberposts' => -1,
	'post_type' => 'product',
	'post_status' => 'publish'
));

$XML = '<?xml version="1.0" encoding="utf-8"?>';
$XML .= "\n\t".'<webstoresname url="'.home_url().'" encoding="utf8">';
$XML .= "\n\t\t".'<created_at>'.date("Y-m-d H:i:s").'</created_at>';
$XML .= "\n\t\t".'<products>';

foreach ( $posts as $post ) {
	setup_postdata($post);
	$product = wc_get_product($post->ID);

	// get date
	$postdate = explode(' ', $post->post_date);

	// get image
	$image = wp_get_attachment_url($post->ID);

	// get price
	$price = $product->get_price();

	// get brands
	$brands = wp_get_post_terms($post->ID, 'product_brand', array('fields' => 'names', 'orderby' => 'parent', 'order' => 'ASC'));
	$brand = implode(' > ', array_filter($brands));

	// get categories
	$categories = wp_get_post_terms($post->ID, 'product_cat', array('fields' => 'names', 'orderby' => 'parent', 'order' => 'ASC'));
	$category = implode(' > ', array_filter($categories));

	$XML .= "\n\t\t\t".'<product id="'. $post->ID .'">';
	$XML .= "\n\t\t\t\t".'<id>'. $post->ID .'</id>';
	$XML .= "\n\t\t\t\t".'<name><![CDATA['. get_the_title() .']]></name>';
	$XML .= "\n\t\t\t\t".'<link><![CDATA['. urldecode(get_permalink()) .']]></link>';
	$XML .= "\n\t\t\t\t".'<image><![CDATA[http:'. urldecode($image) .']]></image>';
	$XML .= "\n\t\t\t\t".'<description><![CDATA['. strip_tags(apply_filters('the_content',  $post->post_content)) .']]></description>';
	$XML .= "\n\t\t\t\t".'<price_with_vat>'.number_format((float)$price, 2, '.', '').'</price_with_vat>';

	$XML .= "\n\t\t\t\t".'<category><![CDATA['.$category.']]></category>';
	$XML .= "\n\t\t\t\t".'<manufacturer><![CDATA['.$brand.']]></manufacturer>';

	if(!$product->is_in_stock()){
			$XML .= "\n\t\t\t\t".'<instock>N</instock>';
			$XML .= "\n\t\t\t\t".'<availability>Κατόπιν Παραγγελίας</availability>';
	}else{
		$XML .= "\n\t\t\t\t".'<stock>Y</stock>';
		$XML .= "\n\t\t\t\t".'<availability>Άμεσα διαθέσιμο</availability>';
	}

	$XML .= "\n\t\t\t".'</product>';
}

$XML .= "\n\t\t".'</products>';
$XML .= "\n\t".'</webstoresname>';

echo $XML;
exit;
?>