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[0] in function chmod in /var/www/hopeinstoughton_www/wp-content/plugins/simple-universal-google-analytics/main.php on line 8
[1] in function include_once in /var/www/hopeinstoughton_www/wp-settings.php on line 560
[2] in function require_once in /var/www/hopeinstoughton_www/wp-config.php on line 85
[3] in function require_once in /var/www/hopeinstoughton_www/wp-load.php on line 50
[4] in function require_once in /var/www/hopeinstoughton_www/wp-blog-header.php on line 13
[5] in function require in /var/www/hopeinstoughton_www/index.php on line 17

<?php
/*
Plugin Name: mailing list interface
Plugin URI: http://hostz.org/
Description: Interface to the Mailing List management system
Author: Phil Young
Author URI: http://hostz.org/
Version: 1.0.0
*/

include_once ABSPATH . 'wp-admin/includes/upgrade.php';

// returns json data when requested - some options, some menus

class mailingListInterfaceClass {

	function __construct() {

		if ( is_admin() ) {
//			add_action( 'admin_menu', array($this, 'cd_qotd_menu'));
		}
		add_action( 'wp_loaded', [$this, 'custom_urls'] );
	}

    public function custom_urls() {
		$cache = $_SERVER['REQUEST_URI'];
        if (($p = strpos($cache, '?')) !== FALSE) {
            $cache = substr($cache, 0, $p);
        }
        $admin = current_user_can('editor') || current_user_can('administrator');
		if (preg_match('#/~/list-manager-json$#', $cache, $matches)) {
			while (ob_get_level()) 
				ob_end_clean();
			header('Content-type: text/plain');
			$data = $this->_getConfigurationData();
			die(json_encode($data, JSON_UNESCAPED_SLASHES));
		}
	}
	
	private function _getConfigurationData() {
		// get specific options
		$options = [];
		foreach(['siteurl', 'blogname', 'blogdescription', 'home', 'widget_php-text'] as $option) {
			$value = get_option($option, '');
			$options[$option] = $value;
		}
		
		// to do: determine the menu to be used when not logged in
		$items = wp_get_nav_menu_items('ecclesia-nav');
		$menu = [];
		foreach($items as $item) {
			$menu[] = [
				'ID'	=> $item->ID,
				'title'	=> $item->title,
				'url'	=> $item->url,
			];
		}
		
		// to do: add footer items
		return [
			'expiry' => time() +  86400,
			'option' => $options,
			'menu' => $menu,
		];
	}
}

new mailingListInterfaceClass();