wp-cron refers to a WordPress subsystem that allows for the scheduled execution of code

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21
votes
1answer
11k views

How to test wp_cron?

This is kind of a stupid question... I scheduled a action to run every hour: if(!wp_next_scheduled('my_hourly_events')) wp_schedule_event(time(), 'hourly', 'my_hourly_events'); add_action('...
13
votes
4answers
4k views

WP Cron doesn't execute when time elapses

The goal I want to use wp_schedule_single_event( ) to execute a single event that sends me an e-mail 8 minutes after the user submits a form. The issue The following code is in my functions.php: ...
11
votes
5answers
11k views

Converting timestamps to local time with date_l18n()

I've got a WordPress cron job that sends an email periodically and saves the timestamp when it was sent as an option, and I'd like to display a date on a settings page. Something like, "The last ...
10
votes
1answer
3k views

PHP Warning on fresh install (Connection timed out)

I get this PHP Warning when accessing my fresh WordPress 3.4.1 install (Norwegian language). Warning: fopen(URL_TO_MY_WORDPRESS_PAGE/wp-cron.php?doing_wp_cron=1341476616.7605190277099609375000): ...
8
votes
4answers
19k views

Why is ?doing_wp_cron being appended to my URLs

I'm finding this string appended to the end of my URLs sometimes: /?doing_wp_cron Does anyone know what it for? How can I remove it?
7
votes
2answers
1k views

Running WordPress on the Command Line - Turn off Delayed Output?

I'm creating a cron job that runs outside of WordPress. From a development perspective, this makes it really easy to debug and create cleanup scripts or cron jobs, by just running a command like the ...
6
votes
1answer
3k views

Is there a known vulnerability for wp-cron.php?

I am using WordPress v.4.1 and all the plugins and the theme are up to date. I see in my log files too many of these... xxx.xxx.xxx.xxx - - [02/Jan/2015:13:30:27 +0200] "POST /wp-cron.php?...
6
votes
3answers
654 views

wp_schedule_event won't accept args

I'm trying to schedule event on hourly basis but it doesn't work. Why, I can't understand. Here is a function that i use to schedule event. add_action( 'scheduled_update_feeds', 'update_feeds', 10, ...
5
votes
2answers
10k views

Is there a quick way to view the wp-cron schedule

I'm trying to work which plugin is triggering wp-cron. I know about the code: http://codex.wordpress.org/Function_Reference/wp_get_schedules , but I'd prefer to do something in the sql backend rather ...
5
votes
1answer
209 views

wp_schedule_event() on specific time, daily

I'm not well verse with WP Cron, but I used them in one of my site knowledgeably. I set a custom query for every hour: add_action( 'init', function () { if( ! wp_next_scheduled( 'expire_cpt' ) ) {...
5
votes
3answers
2k views

How to use wp_schedule_event in a class?

This is first time that I tried the OOP method of writing an application. I don't quite understand it yet. Currently I have this cron hook: if( !wp_next_scheduled( 'my_cron_hook' ) ) { //...
5
votes
1answer
112 views

Wordpress cron isn't scheduled on amazon web services

I'm trying to setup a cron to run every hour, it works fine on my local vagrant box, but it doesn't seem to schedule properly on aws(elastic beanstalk). Here's the code: register_activation_hook(...
5
votes
1answer
219 views

wp_schedule_event is executing but the function related to the hook is not running

I have an OOP plugin, The purpose of the plugin is to catch scheduled posts, save them in cron, then 2 minutes after they are published, to run a custom function on them. This is the stripped-down ...
4
votes
1answer
680 views

wp_delete_auto_drafts() deletes links in menus

Since yesterday the wp_scheduled_auto_draft_delete cron job somehow deletes all page entries from our menus. All entries in the table wp_postmeta with meta_key = '_menu_item_object' and meta_value = '...
4
votes
1answer
554 views

When does next Cron Job run (time from now)?

I would need to know how much time is left between now and the next time a specifc Cron Job is done. For another answer I built a basic cron inspector plugin which can be found here. Reason I'm ...
4
votes
3answers
2k views

Run WP Cron Weekly (but on a certain day)

I'm looking add-in a bit more speficity to the WP Cron intervals. To add a "weekly" interval, I've done the following: function re_not_add_weekly( $schedules ) { $schedules['weekly'] = array( ...
4
votes
0answers
42 views

wp-cron.php is triggered, but scheduled post is not published

I am new to wordpress. My site had been posting scheduled posts, but it seems to stopped due to no traffic. So I disabled wp default cron, and setup a cron job via cPanel. via command wget -q -O - ...
3
votes
2answers
4k views

Using wp_schedule_single_event with arguments to send email

I'm trying to schedule a pseudo cron job to send an email after a set amount of time utilizing a WordPress plugin. So far, I've been able to make this code run when I hard code the email address and ...
3
votes
1answer
355 views

Which action for triggering cron “wp”or “init”?

Which one do you recommend using within a plugin and why? add_action( 'wp', 'trigger_me' ); function trigger_me() { if ( !wp_next_scheduled( 'my_plugin_cron' ) ) { wp_schedule_event(time(...
3
votes
2answers
2k views

wp_schedule_event will it run if timestamp has passed?

I've been told by my clients that scheduled jobs are not run some times as expected. I never questioned myself about how wp_cron actually works, I thought it was kinda self-explanatory. But now I ...
3
votes
1answer
796 views

How Do I Make WordPress Run an Event Every Day?

In a plugin I want to build, it deals with contests. A contest has a date on it. Does WordPress have a feature in it where it can run a piece of code every day without requiring someone to create a ...
3
votes
2answers
1k views

How to run WP Cron the right way?

I have WordPress Multisite with several sites. I set up DISABLE_WP_CRON to true in my wp-config.php. How to run wp-cron.php the right way? If we set up cron task with wget or curl we have 30 sec ...
3
votes
1answer
263 views

Hourly WP schedule, do I need at least 1 visitor hourly?

I am planning to schedule an hourly task from my wp plugin, as I understand these tasks are triggered by visits to the website. So for an hourly task I will need at least one visitor hourly. Does it ...
3
votes
2answers
90 views

WP Schedule Event - Every Day When First Visitor Comes

I have a daily wp schedule event. I know that it happens when a user visits the site and if a schedule time passes. If I started it on today 12 a.m. and if tomorrow first visitor comes tomorrow 1:...
3
votes
1answer
175 views

Long running action from plugin

I'm creating a WordPress plugin that will copy posts data to a remote database, I know it will take a while to transfer all the posts. How should I create copy functionality so it won't timeout? ...
3
votes
1answer
1k views

wp_schedule_event in a class

This is my (stripped down) plugin, in OOP: <?php /* Plugin Name: Cron Test Plugin URI: http://www.mywebsite.com/ Description: Test Version: 1.0 Requires at least: 3.0 */ class CronTest { public ...
3
votes
1answer
633 views

run a cron task without obstructing page load?

I have a plugin that lets users upload post attachments via AJAX in the admin area. I later try to push these files to DropBox via their REST API. It almost works. The issue is with WP cron task which,...
3
votes
1answer
578 views

Trigger a cron every 24h GMT -8

I' like to run a cron every 24 hours at midnight PST ( = GMT -8 ) This is what I have if ( !wp_next_scheduled( 'cron_hook' ) ) { //reset on 00:00 PST ( GMT -8 ) == GMT +16 $timeoffset = ...
3
votes
1answer
377 views

Recurring scheduled task help

I'm trying to set up a scheduled task in my Wordpress installation which will (eventually) run a script to send an email once a day with a load of data in. However I can't seem to get a scheduled ...
3
votes
1answer
196 views

Multiple wp_schedule_event cron jobs in plugin cause multi-execution

over the last week I have been working on some cron jobs for a real-estate website that has hundreds of updates/deletes and new posts added each day. I am very near the end now and looking to ...
3
votes
0answers
122 views

Get frequency of scheduled event

How do I get the frequency of a scheduled event? I am writing a plugin, that would do something in a user defined schedule. The way I am trying to do this, is creating a custom cron schedule, which ...
3
votes
1answer
309 views

Using wp_cron with custom time interval and the register activation hook

Scenario 1: fails Adding a cron task wp_schedule_event with a custom interval on plugin activation using register_activation_hook outside the class definition fails to work because the custom ...
3
votes
1answer
557 views

Change post status based on meta value

I have this cron set up to trash posts x days after it is posted. This works. Edit: Added my answer to my question. add_action( 'wp', 'do_trash_ads' ); function do_trash_ads() { if ( ! ...
3
votes
1answer
245 views

Can't find wp-cron.php but I can see it in the public folder [closed]

I have a problem with the wp-cron.php file. I can see it when I browse the public folder and it has the permissions set to 755. But still I am getting this error in my server error log: [Thu Mar 15 ...
3
votes
2answers
195 views

Wordpress scheduled task is called but not executed

I created a plugin with a cron to update all posts of a certain type every 5 minutes. I installed WP Crontrol to check if the cron is registered correctly and everything seems to be okay. This is how ...
2
votes
2answers
2k views

What happens when wp_cron is deactivated in Wordpress?

In a Wordpress 3.5.1 the apache log generates the following error related to wp-cron.php: [18/Jun/2013:10:53:21 +0200] "POST /wp-cron.php?doing_wp_cron=1371545601.7393701076507568359375 HTTP/1.0" ...
2
votes
1answer
3k views

Better handling of WP-CRON server load abuse

There are multiple reports on how wp-cron is a far from ideal solution because it runs every time a page is loaded, which is unnecessary in most scenarios (one scenario in which it would be necessary ...
2
votes
3answers
706 views

How can I change the frequency of a scheduled event?

I have declared a scheduled event in a plugin like this : function shedule_email_alerts() { if ( !wp_next_scheduled( 'send_email_alerts_hook' ) ) { wp_schedule_event(time(), 'hourly', '...
2
votes
1answer
1k views

Scheduling posts to update once per day with wp_cron

I have a function that hooks into save_post that changes the value of a custom taxonomy term based on today's date. That's working fine. When I update a post, the taxonomy term is updated correctly. ...
2
votes
1answer
774 views

Cron jobs in a class

Having: pluginname.php // If this file is called directly, abort. if ( ! defined( 'ABSPATH' ) ) { die(); } define('PLUGINNAME_PLUGIN_URL', plugin_dir_url( __FILE__ )); define('...
2
votes
1answer
449 views

get_posts inside cron

Edited to rewrite my question I'll try to be as clear as possible, as I need to get this resolved quickly. I disabled WordPress' cron, and added a real cron job on my server to call wp-cron.php ...
2
votes
1answer
796 views

Some rogue WordPress plugin killing my server - how do I isolate and kill it?

Every so often my VPS server becomes unresponsive for no obvious reason. CPU usage is flat. No spike in traffic etc. When I run a top command on the machine (Centos) I can see that one of my sites has ...
2
votes
1answer
728 views

wp_next_scheduled returning a past timestamp

So, here is my entire code in wp_content/plugins/my_plugin/my_plugin.php : register_activation_hook(__FILE__, 'comunity_mails_activation'); add_action('check_mails_to_send', 'do_this_daily'); ...
2
votes
1answer
608 views

Do wp-cron scheduled tasks run asynchronously?

I have a task scheduled to run daily using wp-cron. The task takes over a minute to run (between downloading and parsing a very large file with cURL). According to the WP documentation, "The ...
2
votes
1answer
171 views

Schedule WordPress Auto-Updates to only run during business hours

We've turned on WordPress Auto-Updates (yey!), but, just in case this does break anything, we'd like to only run Auto-Updates during daylight hours (e.g. 09:00 - 17:30). We have the "on init" WP-Cron ...
2
votes
2answers
446 views

WP Cron and wp_insert_post

I'm trying to insert posts using a cron job, but I keep running into errors where WP is missing functions (is_user_logged_in, wp_get_current_user). Is there a proper way to run wp_insert_post using a ...
2
votes
1answer
236 views

WP Cron emails not working

Running wp 3.5.1. I have 2 plugins that work in part. They do everything nice. If I click to send emails, they send the emails. However the scheduled emails are not being sent. The plugins are: ...
2
votes
1answer
200 views

How to remove unused avatar uploads in buddypress [closed]

Im seeing in my wp-content/uploads/avatars folder that there are tons of avatars from when I created test users, but changed the avatars. So, i’m assuming that even if the user changes their avatar, ...
2
votes
0answers
14 views

crontab wp-cron.php on multisite path-based network: one for each path? Or just one for the root?

I have a single wordpress with multisite config enabled: define( 'WP_ALLOW_MULTISITE', true ); I want disable internal cron in wp-config.php with: define('DISABLE_WP_CRON', true); My multisite ...
2
votes
1answer
63 views

Can't access wp_filesystem in cron function

I'm writing a plugin for integrating WP with Visma. It will basically spit out an XML file every third hour using wp cron (going to setup server cron for wp-cron.php on the live site) and save it to ...