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WordPress: Custom cron job
<?php
/*
Plugin Name: VH Cron
Plugin URI: http://vienhoang.com
Description: Demo for running WP Cron Jobs
Version: 1.0
Author: Vien Hoang
Author URI: http://vienhoang.com
License: GPL2
*/
// Load when wp loads
add_action( 'init', function() {
$time = wp_next_scheduled( 'vh_cron_hook' );
wp_unschedule_event( $time, 'vh_cron_hook' );
// Send an email for first time when nothing is scheduled
if ( ! wp_next_scheduled( 'vh_cron_hook' ) ) {
// wp_schedule_event( time(), 'daily', 'vh_cron_hook' );
// Schedule an singel once
wp_schedule_single_event( time() + 3600, 'vh_cron_hook' );
}
} );
add_action( 'admin_menu', function() {
add_options_page( 'Cron Settings', 'Cron Settings', 'manage_options', 'vh_cron', function() {
$cron = _get_cron_array();
$schedules = wp_get_schedules();
?>
<div class="wrap">
<h2>Cron Events Scheduled</h2>
<?php
foreach ( $schedules as $name ) {
echo "<h3>". $name['display'] . ": " . $name['interval'] . "</h3>";
}
?>
</div>
<?php
} );
} );
// Send an email
add_action( 'vh_cron_hook', function() {
$str = time();
wp_mail( 'vieninsweden@gmail.com', 'Scheduled with WP_Cron!', "This email was sent as {$str}." );
} );
// Custom cron intervals
add_filter( 'cron_schedules', function( $schedules ) {
$schedules['two-minutes'] = array(
'interval' => 120,
'display' => 'Every Two Minutes'
);
$schedules['ten-minutes'] = array(
'interval' => 600,
'display' => 'Every Ten Minutes'
);
return $schedules;
} );
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