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<?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 ) {
$args = array_slice( func_get_args(), 1 );
while ( $timestamp = wp_next_scheduled( $hook, $args ) )
wp_unschedule_event( $timestamp, $hook );
}
function wp_next_scheduled( $hook, $args = '' ) {
$crons = get_option( 'cron' );
if ( empty($crons) )
return false;
foreach ( $crons as $timestamp => $cron )
if ( isset( $cron[$hook] ) ) {
if ( empty($args) )
return $timestamp;
if ( $args == $cron[$hook]['args'] )
return $timestamp;
}
return false;
}
function spawn_cron() {
$crons = get_option( 'cron' );
if ( !is_array($crons) )
return;
$keys = array_keys( $crons );
if ( array_shift( $keys ) > 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) )
return;
$keys = array_keys( $crons );
if ( $keys[0] > 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 );
}
?>
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