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plugin-update-checker
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Automatically clear the cron event used by the library when the associated plugin is deactivated. 

Library version 1.1
This commit is contained in:
Yahnis Elsts 2011-09-01 10:53:07 +00:00
parent b6ca731702
commit 854a9854f1
1 changed files with 22 additions and 9 deletions
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31
plugin-update-checker.php
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@ -1,6 +1,6 @@
<?php
/**
* Plugin Update Checker Library 1.0
* Plugin Update Checker Library 1.1
* http://w-shadow.com/
*
* Copyright 2011 Janis Elsts
@ -14,8 +14,8 @@ if ( !class_exists('PluginUpdateChecker') ):
* A custom plugin update checker.
*
* @author Janis Elsts
* @copyright 2010
* @version 1.0
* @copyright 2011
* @version 1.1
* @access public
*/
class PluginUpdateChecker {
@ -24,7 +24,9 @@ class PluginUpdateChecker {
public $slug = ''; //Plugin slug.
public $checkPeriod = 12; //How often to check for updates (in hours).
public $optionName = ''; //Where to store the update info.
private $cronHook = null;
/**
* Class constructor.
*
@ -69,16 +71,18 @@ class PluginUpdateChecker {
add_filter('transient_update_plugins', array(&$this,'injectUpdate')); //WP 2.8+
//Set up the periodic update checks
$cronHook = 'check_plugin_updates-' . $this->slug;
$this->cronHook = 'check_plugin_updates-' . $this->slug;
if ( $this->checkPeriod > 0 ){
//Trigger the check via Cron
add_filter('cron_schedules', array(&$this, '_addCustomSchedule'));
if ( !wp_next_scheduled($cronHook) && !defined('WP_INSTALLING') ) {
if ( !wp_next_scheduled($this->cronHook) && !defined('WP_INSTALLING') ) {
$scheduleName = 'every' . $this->checkPeriod . 'hours';
wp_schedule_event(time(), $scheduleName, $cronHook);
wp_schedule_event(time(), $scheduleName, $this->cronHook);
}
add_action($cronHook, array(&$this, 'checkForUpdates'));
add_action($this->cronHook, array(&$this, 'checkForUpdates'));
register_deactivation_hook($this->pluginFile, array($this, '_removeUpdaterCron'));
//In case Cron is disabled or unreliable, we also manually trigger
//the periodic checks while the user is browsing the Dashboard.
@ -86,7 +90,7 @@ class PluginUpdateChecker {
} else {
//Periodic checks are disabled.
wp_clear_scheduled_hook($cronHook);
wp_clear_scheduled_hook($this->cronHook);
}
}
@ -106,6 +110,15 @@ class PluginUpdateChecker {
}
return $schedules;
}
/**
* Remove the scheduled cron event that the library uses to check for updates.
*
* @return void
*/
function _removeUpdaterCron(){
wp_clear_scheduled_hook($this->cronHook);
}
/**
* Retrieve plugin info from the configured API endpoint.