mirror of
https://github.com/WordPress/WordPress.git
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git-svn-id: http://svn.automattic.com/wordpress/trunk@5972 1a063a9b-81f0-0310-95a4-ce76da25c4cd
194 lines
5.0 KiB
PHP
194 lines
5.0 KiB
PHP
<?php
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function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
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$crons = _get_cron_array();
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$key = md5(serialize($args));
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$crons[$timestamp][$hook][$key] = array( 'schedule' => false, 'args' => $args );
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uksort( $crons, "strnatcasecmp" );
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_set_cron_array( $crons );
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}
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function wp_schedule_event( $timestamp, $recurrence, $hook, $args = array()) {
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$crons = _get_cron_array();
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$schedules = wp_get_schedules();
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$key = md5(serialize($args));
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if ( !isset( $schedules[$recurrence] ) )
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return false;
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$crons[$timestamp][$hook][$key] = array( 'schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval'] );
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uksort( $crons, "strnatcasecmp" );
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_set_cron_array( $crons );
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}
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function wp_reschedule_event( $timestamp, $recurrence, $hook, $args = array()) {
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$crons = _get_cron_array();
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$schedules = wp_get_schedules();
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$key = md5(serialize($args));
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$interval = 0;
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// First we try to get it from the schedule
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if ( 0 == $interval )
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$interval = $schedules[$recurrence]['interval'];
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// Now we try to get it from the saved interval in case the schedule disappears
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if ( 0 == $interval )
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$interval = $crons[$timestamp][$hook][$key]['interval'];
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// Now we assume something is wrong and fail to schedule
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if ( 0 == $interval )
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return false;
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while ( $timestamp < time() + 1 )
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$timestamp += $interval;
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wp_schedule_event( $timestamp, $recurrence, $hook, $args );
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}
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function wp_unschedule_event( $timestamp, $hook, $args = array() ) {
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$crons = _get_cron_array();
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$key = md5(serialize($args));
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unset( $crons[$timestamp][$hook][$key] );
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if ( empty($crons[$timestamp][$hook]) )
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unset( $crons[$timestamp][$hook] );
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if ( empty($crons[$timestamp]) )
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unset( $crons[$timestamp] );
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_set_cron_array( $crons );
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}
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function wp_clear_scheduled_hook( $hook ) {
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$args = array_slice( func_get_args(), 1 );
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while ( $timestamp = wp_next_scheduled( $hook, $args ) )
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wp_unschedule_event( $timestamp, $hook, $args );
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}
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function wp_next_scheduled( $hook, $args = array() ) {
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$crons = _get_cron_array();
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$key = md5(serialize($args));
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if ( empty($crons) )
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return false;
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foreach ( $crons as $timestamp => $cron ) {
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if ( isset( $cron[$hook][$key] ) )
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return $timestamp;
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}
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return false;
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}
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function spawn_cron() {
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$crons = _get_cron_array();
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if ( !is_array($crons) )
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return;
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$keys = array_keys( $crons );
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if ( array_shift( $keys ) > time() )
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return;
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$cron_url = get_option( 'siteurl' ) . '/wp-cron.php';
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$parts = parse_url( $cron_url );
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if ($parts['scheme'] == 'https') {
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// support for SSL was added in 4.3.0
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if (version_compare(phpversion(), '4.3.0', '>=') && function_exists('openssl_open')) {
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$port = isset($parts['port']) ? $parts['port'] : 443;
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$argyle = @fsockopen('ssl://' . $parts['host'], $port, $errno, $errstr, 0.01);
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} else {
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return false;
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}
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} else {
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$port = isset($parts['port']) ? $parts['port'] : 80;
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$argyle = @ fsockopen( $parts['host'], $port, $errno, $errstr, 0.01 );
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}
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if ( $argyle )
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fputs( $argyle,
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"GET {$parts['path']}?check=" . wp_hash('187425') . " HTTP/1.0\r\n"
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. "Host: {$_SERVER['HTTP_HOST']}\r\n\r\n"
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);
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}
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function wp_cron() {
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// Prevent infinite loops caused by lack of wp-cron.php
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if ( strpos($_SERVER['REQUEST_URI'], '/wp-cron.php') !== false )
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return;
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$crons = _get_cron_array();
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if ( !is_array($crons) )
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return;
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$keys = array_keys( $crons );
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if ( isset($keys[0]) && $keys[0] > time() )
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return;
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$schedules = wp_get_schedules();
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foreach ( $crons as $timestamp => $cronhooks ) {
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if ( $timestamp > time() ) break;
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foreach ( $cronhooks as $hook => $args ) {
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if ( isset($schedules[$hook]['callback']) && !call_user_func( $schedules[$hook]['callback'] ) )
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continue;
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spawn_cron();
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break 2;
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}
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}
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}
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function wp_get_schedules() {
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$schedules = array(
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'hourly' => array( 'interval' => 3600, 'display' => __('Once Hourly') ),
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'daily' => array( 'interval' => 86400, 'display' => __('Once Daily') ),
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);
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return array_merge( apply_filters( 'cron_schedules', array() ), $schedules );
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}
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function wp_get_schedule($hook, $args = array()) {
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$crons = _get_cron_array();
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$key = md5(serialize($args));
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if ( empty($crons) )
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return false;
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foreach ( $crons as $timestamp => $cron ) {
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if ( isset( $cron[$hook][$key] ) )
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return $cron[$hook][$key]['schedule'];
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}
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return false;
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}
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//
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// Private functions
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//
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function _get_cron_array() {
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$cron = get_option('cron');
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if ( ! is_array($cron) )
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return false;
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if ( !isset($cron['version']) )
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$cron = _upgrade_cron_array($cron);
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unset($cron['version']);
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return $cron;
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}
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function _set_cron_array($cron) {
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$cron['version'] = 2;
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update_option( 'cron', $cron );
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}
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function _upgrade_cron_array($cron) {
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if ( isset($cron['version']) && 2 == $cron['version'])
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return $cron;
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$new_cron = array();
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foreach ($cron as $timestamp => $hooks) {
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foreach ( $hooks as $hook => $args ) {
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$key = md5(serialize($args['args']));
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$new_cron[$timestamp][$hook][$key] = $args;
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}
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}
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$new_cron['version'] = 2;
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update_option( 'cron', $new_cron );
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return $new_cron;
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}
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?>
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