<?php
 /*
  Plugin Name: Xml Write
  Plugin URI: http://wordpress.org/plugins/
  Description: This is post category xml write plugin
  Version: 1.6
  Author URI:
 */

add_action(\'admin_menu\', \'xmlwrite_admin_actions\');

function xmlwrite_admin_actions() {
    add_options_page(\'xmlwrite\', \'xmlwrite\', \'manage_options\', xmlwrite, \'xmlwrite_admin\');
}

add_action(\'add_category_form_pre\', \'update_category_function\');
add_action(\'edit_category\', \'update_category_function\');
add_action(\'delete_category\', \'update_category_function\');

function update_category_function($category_id) {
    $categories = get_categories($category_id);

    $xml = new XMLWriter();
    $xml->openURI("text.xml");
    $xml->startDocument();
    $xml->setIndent(true);

    $xml->startElement(\'Categories\');

    foreach ($categories as $category) {

        $xml->startElement("Category");
        $xml->writeRaw($category->name);
        $xml->endElement();

        $xml->startElement("url");
        $xml->writeRaw(esc_url(get_category_link($category->term_id)));
        $xml->endElement();
    }
    $xml->endElement();

    header(\'Content-type: tet/xml\');
    $xml->flush();
}