WordPress/wp-includes/cron.php

106 lines
3.0 KiB
PHP

<?php
function wp_schedule_single_event($timestamp, $hook) {
$args = array_slice(func_get_args(), 2);
$crons = get_option('cron');
$crons[$timestamp][$hook] = array('schedule' => false, 'args' => $args);
ksort($crons);
update_option('cron', $crons);
}
function wp_schedule_event($timestamp, $recurrence, $hook) {
$args = array_slice(func_get_args(), 3);
$crons = get_option('cron');
$schedules = wp_get_schedules();
if(!isset($schedules[$recurrence]))
return false;
$crons[$timestamp][$hook] = array('schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval']);
ksort($crons);
update_option('cron', $crons);
}
function wp_reschedule_event($timestamp, $recurrence, $hook) {
$args = array_slice(func_get_args(), 3);
$crons = get_option('cron');
$schedules = wp_get_schedules();
$interval = 0;
// First we try to get it from the schedule
if( 0 == $interval )
$interval = $schedules[$recurrence]['interval'];
// Now we try to get it from the saved interval in case the schedule disappears
if( 0 == $interval )
$interval = $crons[$timestamp][$hook]['interval'];
// Now we assume something is wrong and fail to schedule
if( 0 == $interval )
return false;
while($timestamp < time() + 1) {
$timestamp += $interval;
}
wp_schedule_event($timestamp, $recurrence, $hook);
}
function wp_unschedule_event($timestamp, $hook) {
$crons = get_option('cron');
unset($crons[$timestamp][$hook]);
if ( empty($crons[$timestamp]) )
unset($crons[$timestamp]);
update_option('cron', $crons);
}
function wp_clear_scheduled_hook($hook) {
while($timestamp = wp_next_scheduled($hook))
wp_unschedule_event($timestamp, $hook);
}
function wp_next_scheduled($hook) {
$crons = get_option('cron');
if ( empty($crons) )
return false;
foreach($crons as $timestamp => $cron) {
//if($timestamp <= time()) continue;
if(isset($cron[$hook])) return $timestamp;
}
return false;
}
function spawn_cron() {
if (array_shift(array_keys(get_option('cron'))) > time()) return;
$cron_url = get_settings('siteurl') . '/wp-cron.php';
$parts = parse_url($cron_url);
$argyle = @ fsockopen($parts['host'], $_SERVER['SERVER_PORT'], $errno, $errstr, 0.01);
if ( $argyle )
fputs($argyle,
"GET {$parts['path']}?check=" . md5(DB_PASS . '187425') . " HTTP/1.0\r\n"
. "Host: {$_SERVER['HTTP_HOST']}\r\n\r\n"
);
}
function wp_cron() {
$crons = get_option('cron');
if (!is_array($crons) || array_shift(array_keys($crons)) > time())
return;
$schedules = wp_get_schedules();
foreach ($crons as $timestamp => $cronhooks) {
if ($timestamp > time()) break;
foreach($cronhooks as $hook => $args) {
if(isset($schedules[$hook]['callback']) && !call_user_func($schedules[$hook]['callback']))
continue;
spawn_cron();
break 2;
}
}
}
function wp_get_schedules() {
$schedules = array(
'hourly' => array('interval' => 3600, 'display' => __('Once Hourly')),
'daily' => array('interval' => 86400, 'display' => __('Once Daily')),
);
return array_merge(apply_filters('cron_schedules', array()), $schedules);
}
?>