diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-includes/cron.php
--- a/wp/wp-includes/cron.php	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/cron.php	Fri Sep 05 18:40:08 2025 +0200
@@ -8,7 +8,7 @@
 /**
  * Schedules an event to run only once.
  *
- * Schedules a hook which will be triggered by WordPress at the specified time.
+ * Schedules a hook which will be triggered by WordPress at the specified UTC time.
  * The action will trigger when someone visits your WordPress site if the scheduled
  * time has passed.
  *
@@ -57,7 +57,7 @@
 	);
 
 	/**
-	 * Filter to preflight or hijack scheduling an event.
+	 * Filter to override scheduling an event.
 	 *
 	 * Returning a non-null value will short-circuit adding the event to the
 	 * cron array, causing the function to return the filtered value instead.
@@ -76,15 +76,15 @@
 	 * @since 5.1.0
 	 * @since 5.7.0 The `$wp_error` parameter was added, and a `WP_Error` object can now be returned.
 	 *
-	 * @param null|bool|WP_Error $pre      Value to return instead. Default null to continue adding the event.
-	 * @param stdClass           $event    {
+	 * @param null|bool|WP_Error $result   The value to return instead. Default null to continue adding the event.
+	 * @param object             $event    {
 	 *     An object containing an event's data.
 	 *
 	 *     @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.
+	 *     @type int          $interval  Optional. The interval time in seconds for the schedule. Only present for recurring events.
 	 * }
 	 * @param bool               $wp_error Whether to return a WP_Error on failure.
 	 */
@@ -119,9 +119,6 @@
 	 * are considered duplicates.
 	 */
 	$crons = _get_cron_array();
-	if ( ! is_array( $crons ) ) {
-		$crons = array();
-	}
 
 	$key       = md5( serialize( $event->args ) );
 	$duplicate = false;
@@ -142,9 +139,11 @@
 		if ( $event_timestamp < $min_timestamp ) {
 			continue;
 		}
+
 		if ( $event_timestamp > $max_timestamp ) {
 			break;
 		}
+
 		if ( isset( $cron[ $event->hook ][ $key ] ) ) {
 			$duplicate = true;
 			break;
@@ -167,14 +166,14 @@
 	 *
 	 * @since 3.1.0
 	 *
-	 * @param stdClass|false $event {
+	 * @param object|false $event {
 	 *     An object containing an event's data, or boolean false to prevent the event from being scheduled.
 	 *
 	 *     @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.
+	 *     @type int          $interval  Optional. The interval time in seconds for the schedule. Only present for recurring events.
 	 * }
 	 */
 	$event = apply_filters( 'schedule_event', $event );
@@ -207,12 +206,8 @@
  * The action will trigger when someone visits your WordPress site if the scheduled
  * time has passed.
  *
- * Valid values for the recurrence are 'hourly', 'daily', and 'twicedaily'. These can
- * be extended using the {@see 'cron_schedules'} filter in wp_get_schedules().
- *
- * Note that scheduling an event to occur within 10 minutes of an existing event
- * with the same action hook will be ignored unless you pass unique `$args` values
- * for each scheduled event.
+ * Valid values for the recurrence are 'hourly', 'twicedaily', 'daily', and 'weekly'.
+ * These can be extended using the {@see 'cron_schedules'} filter in wp_get_schedules().
  *
  * Use wp_next_scheduled() to prevent duplicate events.
  *
@@ -306,9 +301,6 @@
 	$key = md5( serialize( $event->args ) );
 
 	$crons = _get_cron_array();
-	if ( ! is_array( $crons ) ) {
-		$crons = array();
-	}
 
 	$crons[ $event->timestamp ][ $event->hook ][ $key ] = array(
 		'schedule' => $event->schedule,
@@ -323,7 +315,7 @@
 /**
  * Reschedules a recurring event.
  *
- * Mainly for internal use, this takes the time stamp of a previously run
+ * Mainly for internal use, this takes the UTC timestamp of a previously run
  * recurring event and reschedules it for its next run.
  *
  * To change upcoming scheduled events, use wp_schedule_event() to
@@ -369,6 +361,7 @@
 	// Now we try to get it from the saved interval in case the schedule disappears.
 	if ( 0 === $interval ) {
 		$scheduled_event = wp_get_scheduled_event( $hook, $args, $timestamp );
+
 		if ( $scheduled_event && isset( $scheduled_event->interval ) ) {
 			$interval = $scheduled_event->interval;
 		}
@@ -383,26 +376,26 @@
 	);
 
 	/**
-	 * Filter to preflight or hijack rescheduling of events.
+	 * Filter to override rescheduling of a recurring event.
 	 *
 	 * Returning a non-null value will short-circuit the normal rescheduling
 	 * process, causing the function to return the filtered value instead.
 	 *
 	 * For plugins replacing wp-cron, return true if the event was successfully
-	 * rescheduled, false if not.
+	 * rescheduled, false or a WP_Error if not.
 	 *
 	 * @since 5.1.0
 	 * @since 5.7.0 The `$wp_error` parameter was added, and a `WP_Error` object can now be returned.
 	 *
 	 * @param null|bool|WP_Error $pre      Value to return instead. Default null to continue adding the event.
-	 * @param stdClass           $event    {
+	 * @param object             $event    {
 	 *     An object containing an event's data.
 	 *
-	 *     @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.
+	 *     @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 $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.
 	 * }
 	 * @param bool               $wp_error Whether to return a WP_Error on failure.
 	 */
@@ -424,7 +417,7 @@
 	}
 
 	// Now we assume something is wrong and fail to schedule.
-	if ( 0 == $interval ) {
+	if ( 0 === $interval ) {
 		if ( $wp_error ) {
 			return new WP_Error(
 				'invalid_schedule',
@@ -447,9 +440,9 @@
 }
 
 /**
- * Unschedule a previously scheduled event.
+ * Unschedules a previously scheduled event.
  *
- * The $timestamp and $hook parameters are required so that the event can be
+ * The `$timestamp` and `$hook` parameters are required so that the event can be
  * identified.
  *
  * @since 2.1.0
@@ -480,13 +473,13 @@
 	}
 
 	/**
-	 * Filter to preflight or hijack unscheduling of events.
+	 * Filter to override unscheduling of events.
 	 *
 	 * Returning a non-null value will short-circuit the normal unscheduling
 	 * process, causing the function to return the filtered value instead.
 	 *
 	 * For plugins replacing wp-cron, return true if the event was successfully
-	 * unscheduled, false if not.
+	 * unscheduled, false or a WP_Error if not.
 	 *
 	 * @since 5.1.0
 	 * @since 5.7.0 The `$wp_error` parameter was added, and a `WP_Error` object can now be returned.
@@ -516,10 +509,13 @@
 
 	$crons = _get_cron_array();
 	$key   = md5( serialize( $args ) );
+
 	unset( $crons[ $timestamp ][ $hook ][ $key ] );
+
 	if ( empty( $crons[ $timestamp ][ $hook ] ) ) {
 		unset( $crons[ $timestamp ][ $hook ] );
 	}
+
 	if ( empty( $crons[ $timestamp ] ) ) {
 		unset( $crons[ $timestamp ] );
 	}
@@ -530,8 +526,8 @@
 /**
  * Unschedules all events attached to the hook with the specified arguments.
  *
- * Warning: This function may return Boolean FALSE, but may also return a non-Boolean
- * value which evaluates to FALSE. For information about casting to booleans see the
+ * Warning: This function may return boolean false, but may also return a non-boolean
+ * value which evaluates to false. For information about casting to booleans see the
  * {@link https://www.php.net/manual/en/language.types.boolean.php PHP documentation}. Use
  * the `===` operator for testing the return value of this function.
  *
@@ -551,23 +547,30 @@
  *                            if unscheduling one or more events fail.
  */
 function wp_clear_scheduled_hook( $hook, $args = array(), $wp_error = false ) {
-	// Backward compatibility.
-	// Previously, this function took the arguments as discrete vars rather than an array like the rest of the API.
+	/*
+	 * Backward compatibility.
+	 * Previously, this function took the arguments as discrete vars rather than an array like the rest of the API.
+	 */
 	if ( ! is_array( $args ) ) {
-		_deprecated_argument( __FUNCTION__, '3.0.0', __( 'This argument has changed to an array to match the behavior of the other cron functions.' ) );
+		_deprecated_argument(
+			__FUNCTION__,
+			'3.0.0',
+			__( 'This argument has changed to an array to match the behavior of the other cron functions.' )
+		);
+
 		$args     = array_slice( func_get_args(), 1 ); // phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection
 		$wp_error = false;
 	}
 
 	/**
-	 * Filter to preflight or hijack clearing a scheduled hook.
+	 * Filter to override clearing a scheduled hook.
 	 *
 	 * Returning a non-null value will short-circuit the normal unscheduling
 	 * process, causing the function to return the filtered value instead.
 	 *
 	 * For plugins replacing wp-cron, return the number of events successfully
 	 * unscheduled (zero if no events were registered with the hook) or false
-	 * if unscheduling one or more events fails.
+	 * or a WP_Error if unscheduling one or more events fails.
 	 *
 	 * @since 5.1.0
 	 * @since 5.7.0 The `$wp_error` parameter was added, and a `WP_Error` object can now be returned.
@@ -634,8 +637,8 @@
  *
  * Can be useful for plugins when deactivating to clean up the cron queue.
  *
- * Warning: This function may return Boolean FALSE, but may also return a non-Boolean
- * value which evaluates to FALSE. For information about casting to booleans see the
+ * Warning: This function may return boolean false, but may also return a non-boolean
+ * value which evaluates to false. For information about casting to booleans see the
  * {@link https://www.php.net/manual/en/language.types.boolean.php PHP documentation}. Use
  * the `===` operator for testing the return value of this function.
  *
@@ -650,14 +653,15 @@
  */
 function wp_unschedule_hook( $hook, $wp_error = false ) {
 	/**
-	 * Filter to preflight or hijack clearing all events attached to the hook.
+	 * Filter to override clearing all events attached to the hook.
 	 *
 	 * Returning a non-null value will short-circuit the normal unscheduling
 	 * process, causing the function to return the filtered value instead.
 	 *
 	 * For plugins replacing wp-cron, return the number of events successfully
-	 * unscheduled (zero if no events were registered with the hook) or false
-	 * if unscheduling one or more events fails.
+	 * unscheduled (zero if no events were registered with the hook). If unscheduling
+	 * one or more events fails then return either a WP_Error object or false depending
+	 * on the value of the `$wp_error` parameter.
 	 *
 	 * @since 5.1.0
 	 * @since 5.7.0 The `$wp_error` parameter was added, and a `WP_Error` object can now be returned.
@@ -689,10 +693,12 @@
 	}
 
 	$results = array();
+
 	foreach ( $crons as $timestamp => $args ) {
 		if ( ! empty( $crons[ $timestamp ][ $hook ] ) ) {
 			$results[] = count( $crons[ $timestamp ][ $hook ] );
 		}
+
 		unset( $crons[ $timestamp ][ $hook ] );
 
 		if ( empty( $crons[ $timestamp ] ) ) {
@@ -718,9 +724,9 @@
 }
 
 /**
- * Retrieve a scheduled event.
+ * Retrieves a scheduled event.
  *
- * Retrieve the full event object for a given event, if no timestamp is specified the next
+ * Retrieves the full event object for a given event, if no timestamp is specified the next
  * scheduled event is returned.
  *
  * @since 5.1.0
@@ -732,11 +738,19 @@
  *                            Default empty array.
  * @param int|null $timestamp Optional. Unix timestamp (UTC) of the event. If not specified, the next scheduled event
  *                            is returned. Default null.
- * @return object|false The event object. False if the event does not exist.
+ * @return object|false {
+ *     The event object. False if the event does not exist.
+ *
+ *     @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  Optional. The interval time in seconds for the schedule. Only present for recurring events.
+ * }
  */
 function wp_get_scheduled_event( $hook, $args = array(), $timestamp = null ) {
 	/**
-	 * Filter to preflight or hijack retrieving a scheduled event.
+	 * Filter to override retrieving a scheduled event.
 	 *
 	 * Returning a non-null value will short-circuit the normal process,
 	 * returning the filtered value instead.
@@ -754,6 +768,7 @@
 	 * @param int|null  $timestamp Unix timestamp (UTC) of the event. Null to retrieve next scheduled event.
 	 */
 	$pre = apply_filters( 'pre_get_scheduled_event', null, $hook, $args, $timestamp );
+
 	if ( null !== $pre ) {
 		return $pre;
 	}
@@ -778,6 +793,7 @@
 				break;
 			}
 		}
+
 		if ( ! $next ) {
 			return false;
 		}
@@ -802,7 +818,7 @@
 }
 
 /**
- * Retrieve the next timestamp for an event.
+ * Retrieves the next timestamp for an event.
  *
  * @since 2.1.0
  *
@@ -815,6 +831,7 @@
  */
 function wp_next_scheduled( $hook, $args = array() ) {
 	$next_event = wp_get_scheduled_event( $hook, $args );
+
 	if ( ! $next_event ) {
 		return false;
 	}
@@ -847,7 +864,7 @@
 	 * Multiple processes on multiple web servers can run this code concurrently,
 	 * this lock attempts to make spawning as atomic as possible.
 	 */
-	$lock = get_transient( 'doing_cron' );
+	$lock = (float) get_transient( 'doing_cron' );
 
 	if ( $lock > $gmt_time + 10 * MINUTE_IN_SECONDS ) {
 		$lock = 0;
@@ -858,7 +875,7 @@
 		return false;
 	}
 
-	// Sanity check.
+	// Confidence check.
 	$crons = wp_get_ready_cron_jobs();
 	if ( empty( $crons ) ) {
 		return false;
@@ -885,7 +902,7 @@
 		wp_ob_end_flush_all();
 		flush();
 
-		include_once ABSPATH . 'wp-cron.php';
+		require_once ABSPATH . 'wp-cron.php';
 		return true;
 	}
 
@@ -930,11 +947,12 @@
 	);
 
 	$result = wp_remote_post( $cron_request['url'], $cron_request['args'] );
+
 	return ! is_wp_error( $result );
 }
 
 /**
- * Register _wp_cron() to run on the {@see 'wp_loaded'} action.
+ * Registers _wp_cron() to run on the {@see 'wp_loaded'} action.
  *
  * If the {@see 'wp_loaded'} action has already fired, this function calls
  * _wp_cron() directly.
@@ -948,9 +966,9 @@
  * @since 5.1.0 Return value added to indicate success or failure.
  * @since 5.7.0 Functionality moved to _wp_cron() to which this becomes a wrapper.
  *
- * @return bool|int|void On success an integer indicating number of events spawned (0 indicates no
- *                       events needed to be spawned), false if spawning fails for one or more events or
- *                       void if the function registered _wp_cron() to run on the action.
+ * @return false|int|void On success an integer indicating number of events spawned (0 indicates no
+ *                        events needed to be spawned), false if spawning fails for one or more events or
+ *                        void if the function registered _wp_cron() to run on the action.
  */
 function wp_cron() {
 	if ( did_action( 'wp_loaded' ) ) {
@@ -961,7 +979,7 @@
 }
 
 /**
- * Run scheduled callbacks or spawn cron for all scheduled events.
+ * Runs scheduled callbacks or spawns cron for all scheduled events.
  *
  * Warning: This function may return Boolean FALSE, but may also return a non-Boolean
  * value which evaluates to FALSE. For information about casting to booleans see the
@@ -976,7 +994,9 @@
  */
 function _wp_cron() {
 	// Prevent infinite loops caused by lack of wp-cron.php.
-	if ( strpos( $_SERVER['REQUEST_URI'], '/wp-cron.php' ) !== false || ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) ) {
+	if ( str_contains( $_SERVER['REQUEST_URI'], '/wp-cron.php' )
+		|| ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON )
+	) {
 		return 0;
 	}
 
@@ -993,14 +1013,19 @@
 
 	$schedules = wp_get_schedules();
 	$results   = array();
+
 	foreach ( $crons as $timestamp => $cronhooks ) {
 		if ( $timestamp > $gmt_time ) {
 			break;
 		}
+
 		foreach ( (array) $cronhooks as $hook => $args ) {
-			if ( isset( $schedules[ $hook ]['callback'] ) && ! call_user_func( $schedules[ $hook ]['callback'] ) ) {
+			if ( isset( $schedules[ $hook ]['callback'] )
+				&& ! call_user_func( $schedules[ $hook ]['callback'] )
+			) {
 				continue;
 			}
+
 			$results[] = spawn_cron( $gmt_time );
 			break 2;
 		}
@@ -1009,11 +1034,12 @@
 	if ( in_array( false, $results, true ) ) {
 		return false;
 	}
+
 	return count( $results );
 }
 
 /**
- * Retrieve supported event recurrence schedules.
+ * Retrieves supported event recurrence schedules.
  *
  * The default supported recurrences are 'hourly', 'twicedaily', 'daily', and 'weekly'.
  * A plugin may add more by hooking into the {@see 'cron_schedules'} filter.
@@ -1022,14 +1048,14 @@
  * one is 'interval' and the other is 'display'.
  *
  * The 'interval' is a number in seconds of when the cron job should run.
- * So for 'hourly' the time is `HOUR_IN_SECONDS` (60 * 60 or 3600). For 'monthly',
- * the value would be `MONTH_IN_SECONDS` (30 * 24 * 60 * 60 or 2592000).
+ * So for 'hourly' the time is `HOUR_IN_SECONDS` (`60 * 60` or `3600`). For 'monthly',
+ * the value would be `MONTH_IN_SECONDS` (`30 * 24 * 60 * 60` or `2592000`).
  *
  * The 'display' is the description. For the 'monthly' key, the 'display'
  * would be `__( 'Once Monthly' )`.
  *
- * For your plugin, you will be passed an array. You can easily add your
- * schedule by doing the following.
+ * For your plugin, you will be passed an array. You can add your
+ * schedule by doing the following:
  *
  *     // Filter parameter variable name is 'array'.
  *     $array['monthly'] = array(
@@ -1040,7 +1066,16 @@
  * @since 2.1.0
  * @since 5.4.0 The 'weekly' schedule was added.
  *
- * @return array[]
+ * @return array {
+ *     The array of cron schedules keyed by the schedule name.
+ *
+ *     @type array ...$0 {
+ *         Cron schedule information.
+ *
+ *         @type int    $interval The schedule interval in seconds.
+ *         @type string $display  The schedule display name.
+ *     }
+ * }
  */
 function wp_get_schedules() {
 	$schedules = array(
@@ -1067,13 +1102,22 @@
 	 *
 	 * @since 2.1.0
 	 *
-	 * @param array[] $new_schedules An array of non-default cron schedule arrays. Default empty.
+	 * @param array $new_schedules {
+	 *     An array of non-default cron schedules keyed by the schedule name. Default empty array.
+	 *
+	 *     @type array ...$0 {
+	 *         Cron schedule information.
+	 *
+	 *         @type int    $interval The schedule interval in seconds.
+	 *         @type string $display  The schedule display name.
+	 *     }
+	 * }
 	 */
 	return array_merge( apply_filters( 'cron_schedules', array() ), $schedules );
 }
 
 /**
- * Retrieve the recurrence schedule for an event.
+ * Retrieves the name of the recurrence schedule for an event.
  *
  * @see wp_get_schedules() for available schedules.
  *
@@ -1094,7 +1138,7 @@
 	}
 
 	/**
-	 * Filters the schedule for a hook.
+	 * Filters the schedule name for a hook.
 	 *
 	 * @since 5.1.0
 	 *
@@ -1106,7 +1150,7 @@
 }
 
 /**
- * Retrieve cron jobs ready to be run.
+ * Retrieves cron jobs ready to be run.
  *
  * Returns the results of _get_cron_array() limited to events ready to be run,
  * ie, with a timestamp in the past.
@@ -1117,7 +1161,7 @@
  */
 function wp_get_ready_cron_jobs() {
 	/**
-	 * Filter to preflight or hijack retrieving ready cron jobs.
+	 * Filter to override retrieving ready cron jobs.
 	 *
 	 * Returning an array will short-circuit the normal retrieval of ready
 	 * cron jobs, causing the function to return the filtered value instead.
@@ -1128,26 +1172,20 @@
 	 *                          to continue using results from _get_cron_array().
 	 */
 	$pre = apply_filters( 'pre_get_ready_cron_jobs', null );
+
 	if ( null !== $pre ) {
 		return $pre;
 	}
 
-	$crons = _get_cron_array();
-	if ( ! is_array( $crons ) ) {
-		return array();
-	}
-
+	$crons    = _get_cron_array();
 	$gmt_time = microtime( true );
-	$keys     = array_keys( $crons );
-	if ( isset( $keys[0] ) && $keys[0] > $gmt_time ) {
-		return array();
-	}
+	$results  = array();
 
-	$results = array();
 	foreach ( $crons as $timestamp => $cronhooks ) {
 		if ( $timestamp > $gmt_time ) {
 			break;
 		}
+
 		$results[ $timestamp ] = $cronhooks;
 	}
 
@@ -1159,17 +1197,18 @@
 //
 
 /**
- * Retrieve cron info array option.
+ * Retrieves cron info array option.
  *
  * @since 2.1.0
+ * @since 6.1.0 Return type modified to consistently return an array.
  * @access private
  *
- * @return array[]|false Array of cron info arrays on success, false on failure.
+ * @return array[] Array of cron events.
  */
 function _get_cron_array() {
 	$cron = get_option( 'cron' );
 	if ( ! is_array( $cron ) ) {
-		return false;
+		return array();
 	}
 
 	if ( ! isset( $cron['version'] ) ) {
@@ -1200,7 +1239,8 @@
 	}
 
 	$cron['version'] = 2;
-	$result          = update_option( 'cron', $cron );
+
+	$result = update_option( 'cron', $cron );
 
 	if ( $wp_error && ! $result ) {
 		return new WP_Error(
@@ -1213,18 +1253,18 @@
 }
 
 /**
- * Upgrade a Cron info array.
+ * Upgrades a cron info array.
  *
- * This function upgrades the Cron info array to version 2.
+ * This function upgrades the cron info array to version 2.
  *
  * @since 2.1.0
  * @access private
  *
  * @param array $cron Cron info array from _get_cron_array().
- * @return array An upgraded Cron info array.
+ * @return array An upgraded cron info array.
  */
 function _upgrade_cron_array( $cron ) {
-	if ( isset( $cron['version'] ) && 2 == $cron['version'] ) {
+	if ( isset( $cron['version'] ) && 2 === $cron['version'] ) {
 		return $cron;
 	}
 
@@ -1232,12 +1272,15 @@
 
 	foreach ( (array) $cron as $timestamp => $hooks ) {
 		foreach ( (array) $hooks as $hook => $args ) {
-			$key                                     = md5( serialize( $args['args'] ) );
+			$key = md5( serialize( $args['args'] ) );
+
 			$new_cron[ $timestamp ][ $hook ][ $key ] = $args;
 		}
 	}
 
 	$new_cron['version'] = 2;
+
 	update_option( 'cron', $new_cron );
+
 	return $new_cron;
 }