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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 168 | * An object containing an event's data, or boolean false to prevent the event from being scheduled. |
| 169 | * |
| 170 | * @type string $hook Action hook to execute when the event is run. |
| 171 | * @type int $timestamp Unix timestamp (UTC) for when to next run the event. |
| 172 | * @type string|false $schedule How often the event should subsequently recur. |
| 173 | * @type array $args Array containing each separate argument to pass to the hook's callback function. |
| 174 | * @type int $interval The interval time in seconds for the schedule. Only present for recurring events. |
| 175 | * } |
| 176 | */ |
| 177 | $event = apply_filters( 'schedule_event', $event ); |
| 178 | |
| 179 | // A plugin disallowed this event. |
| 180 | if ( ! $event ) { |
| 181 | if ( $wp_error ) { |
| 182 | return new WP_Error( |
| 183 | 'schedule_event_false', |
| 184 | __( 'A plugin disallowed this event.' ) |
| 185 | ); |
| 186 | } |
| Line | Code |
| 276 | |
| 277 | if ( ! $wp_error && is_wp_error( $pre ) ) { |
| 278 | return false; |
| 279 | } |
| 280 | |
| 281 | return $pre; |
| 282 | } |
| 283 | |
| 284 | /** This filter is documented in wp-includes/cron.php */ |
| 285 | $event = apply_filters( 'schedule_event', $event ); |
| 286 | |
| 287 | // A plugin disallowed this event. |
| 288 | if ( ! $event ) { |
| 289 | if ( $wp_error ) { |
| 290 | return new WP_Error( |
| 291 | 'schedule_event_false', |
| 292 | __( 'A plugin disallowed this event.' ) |
| 293 | ); |
| 294 | } |