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Cron API: Improvements to docblocks for the event scheduling functions. 

See #42505

Built from https://develop.svn.wordpress.org/trunk@42216


git-svn-id: http://core.svn.wordpress.org/trunk@42045 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
John Blackbourn 2017-11-22 15:16:47 +00:00
parent 27116397c5
commit 850532fb01
2 changed files with 53 additions and 39 deletions
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90
wp-includes/cron.php
View File

@ -8,21 +8,25 @@
/**
* Schedules an event to run only once.
*
* Schedules an event which will execute once by the WordPress actions core at
* a time which you specify. The action will fire off when someone visits your
* WordPress site, if the schedule time has passed.
* Schedules a hook which will be triggered by WordPress at the specified time.
* The action will trigger when someone visits your WordPress site if the scheduled
* time has passed.
*
* Note that scheduling an event to occur within 10 minutes of an existing event
* with the same action hook will be ignored unless you pass unique `$args` values
* for each scheduled event.
*
* Use wp_next_scheduled() to prevent duplicate events.
*
* Use wp_schedule_event() to schedule a recurring event.
*
* @since 2.1.0
* @link https://codex.wordpress.org/Function_Reference/wp_schedule_single_event
*
* @param int $timestamp Unix timestamp (UTC) for when to run the event.
* @param string $hook Action hook to execute when event is run.
* @param array $args Optional. Arguments to pass to the hook's callback function.
* @return false|void False if the event does not get scheduled.
* @param int $timestamp Unix timestamp (UTC) for when to next run the event.
* @param string $hook Action hook to execute when the event is run.
* @param array $args Optional. Array containing each separate argument to pass to the hook's callback function.
* @return false|void False if the event did not get scheduled.
*/
function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
// Make sure timestamp is a positive integer
@ -38,6 +42,7 @@ function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
$crons = _get_cron_array();
$event = (object) array( 'hook' => $hook, 'timestamp' => $timestamp, 'schedule' => false, 'args' => $args );
/**
* Filters a single event before it is scheduled.
*
@ -46,10 +51,11 @@ function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
* @param stdClass $event {
* An object containing an event's data.
*
* @type string $hook Action hook to execute when event is run.
* @type int $timestamp Unix timestamp (UTC) for when to run the event.
* @type string|false $schedule How often the event should recur. See `wp_get_schedules()`.
* @type array $args Arguments to pass to the hook's callback function.
* @type string $hook Action hook to execute when the event is run.
* @type int $timestamp Unix timestamp (UTC) for when to next run the event.
* @type string|false $schedule How often the event should subsequently recur.
* @type array $args Array containing each separate argument to pass to the hook's callback function.
* @type int $interval The interval time in seconds for the schedule. Only present for recurring events.
* }
*/
$event = apply_filters( 'schedule_event', $event );
@ -66,24 +72,31 @@ function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
}
/**
* Schedule a recurring event.
* Schedules a recurring event.
*
* Schedules a hook which will be executed by the WordPress actions core on a
* specific interval, specified by you. The action will trigger when someone
* visits your WordPress site, if the scheduled time has passed.
* Schedules a hook which will be triggered by WordPress at the specified interval.
* The action will trigger when someone visits your WordPress site if the scheduled
* time has passed.
*
* Valid values for the recurrence are hourly, daily, and twicedaily. These can
* Valid values for the recurrence are 'hourly', 'daily', and 'twicedaily'. These can
* be extended using the {@see 'cron_schedules'} filter in wp_get_schedules().
*
* Use wp_next_scheduled() to prevent duplicates
* Note that scheduling an event to occur within 10 minutes of an existing event
* with the same action hook will be ignored unless you pass unique `$args` values
* for each scheduled event.
*
* Use wp_next_scheduled() to prevent duplicate events.
*
* Use wp_schedule_single_event() to schedule a non-recurring event.
*
* @since 2.1.0
* @link https://codex.wordpress.org/Function_Reference/wp_schedule_event
*
* @param int $timestamp Unix timestamp (UTC) for when to run the event.
* @param string $recurrence How often the event should recur.
* @param string $hook Action hook to execute when event is run.
* @param array $args Optional. Arguments to pass to the hook's callback function.
* @return false|void False if the event does not get scheduled.
* @param int $timestamp Unix timestamp (UTC) for when to next run the event.
* @param string $recurrence How often the event should subsequently recur. See wp_get_schedules() for accepted values.
* @param string $hook Action hook to execute when the event is run.
* @param array $args Optional. Array containing each separate argument to pass to the hook's callback function.
* @return false|void False if the event did not get scheduled.
*/
function wp_schedule_event( $timestamp, $recurrence, $hook, $args = array()) {
// Make sure timestamp is a positive integer
@ -113,15 +126,15 @@ function wp_schedule_event( $timestamp, $recurrence, $hook, $args = array()) {
}
/**
* Reschedule a recurring event.
* Reschedules a recurring event.
*
* @since 2.1.0
*
* @param int $timestamp Unix timestamp (UTC) for when to run the event.
* @param string $recurrence How often the event should recur.
* @param string $hook Action hook to execute when event is run.
* @param array $args Optional. Arguments to pass to the hook's callback function.
* @return false|void False if the event does not get rescheduled.
* @param int $timestamp Unix timestamp (UTC) for when to next run the event.
* @param string $recurrence How often the event should subsequently recur. See wp_get_schedules() for accepted values.
* @param string $hook Action hook to execute when the event is run.
* @param array $args Optional. Array containing each separate argument to pass to the hook's callback function.
* @return false|void False if the event did not get rescheduled.
*/
function wp_reschedule_event( $timestamp, $recurrence, $hook, $args = array() ) {
// Make sure timestamp is a positive integer
@ -166,13 +179,12 @@ function wp_reschedule_event( $timestamp, $recurrence, $hook, $args = array() )
*
* @since 2.1.0
*
* @param int $timestamp Unix timestamp (UTC) for when to run the event.
* @param string $hook Action hook, the execution of which will be unscheduled.
* @param array $args Arguments to pass to the hook's callback function.
* Although not passed to a callback function, these arguments are used
* to uniquely identify the scheduled event, so they should be the same
* as those used when originally scheduling the event.
* @return false|void False if the event does not get unscheduled.
* @param int $timestamp Unix timestamp (UTC) of the event.
* @param string $hook Action hook of the event.
* @param array $args Optional. Array containing each separate argument to pass to the hook's callback function.
* Although not passed to a callback, these arguments are used to uniquely identify the
* event, so they should be the same as those used when originally scheduling the event.
* @return false|void False if the event did not get unscheduled.
*/
function wp_unschedule_event( $timestamp, $hook, $args = array() ) {
// Make sure timestamp is a positive integer
@ -249,9 +261,11 @@ function wp_unschedule_hook( $hook ) {
*
* @since 2.1.0
*
* @param string $hook Action hook to execute when event is run.
* @param array $args Optional. Arguments to pass to the hook's callback function.
* @return false|int The Unix timestamp of the next time the scheduled event will occur.
* @param string $hook Action hook of the event.
* @param array $args Optional. Array containing each separate argument to pass to the hook's callback function.
* Although not passed to a callback, these arguments are used to uniquely identify the
* event, so they should be the same as those used when originally scheduling the event.
* @return false|int The Unix timestamp of the next time the event will occur. False if the event doesn't exist.
*/
function wp_next_scheduled( $hook, $args = array() ) {
$crons = _get_cron_array();

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.0-alpha-42214';
$wp_version = '5.0-alpha-42216';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.