Nagios check plugin for wordpress

check_wp_versions.php

#!/usr/bin/env php
<?php
/**
source: http://www.monitoringexchange.org/inventory/Check-Plugins/Software/HTTP-%2526-FTP/Check-Wordpress-Versions
modified by: Boris Fritscher

**/
if($argc != 2) {
	print "usage: check_wp_versions.php <path to wp installation>\n";
	exit(1);
}
#bug fix for cli include of wp-load
define("WP_INSTALLING", false);

chdir($argv[1]);
require_once('./wp-load.php');

global $wp_version;
$core_updates = 0;
$plugin_updates = 0;

wp_version_check();
wp_update_plugins();
#wp_update_themes();

$core = get_transient('update_core');
$plugins = get_transient('update_plugins');
#$themes = get_transient('update_themes');

$core_updates = 0;
$core_text = "";
foreach($core->updates as $update) {
	if($update->current != $wp_version) {
		$core_text .= "WordPress Update: ".$update->current."<br />";
		$core_updates++;
	}
}

$plugin_updates = 0;
$plugin_text = "";
foreach($plugins->response as $plgupd) {
	$plugin_text .= $plgupd->slug ." (" . $plgupd->new_version . ")<br/>";
	$plugin_updates++;
}

if($core_updates > 0) {
	$text = "$core_updates core updates available!";
} else {
	$text = "core ok";
}

if($plugin_updates > 0) {
	$text .= " ; $plugin_updates plugins updates are available!";
} else {
	$text .= " ; plugins ok";
}
$text .= " | Installed WordPress: " . $wp_version . "<br />" 
. $core_text . $plugin_text;
if($core_updates > 0) {
	print("CRITICAL - " . $text);
	exit(2);
	
} else if($plugin_updates > 0) {	
	print("WARNING - " . $text);
	exit(1);
} else {
	print("OK - " . $text);
	exit(0);
}

print("CRITICAL - Error in check_wp_versions.php");
exit(2);

?>