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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.
Line | Code |
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825 | ), |
826 | ); |
827 | /** |
828 | * Filters the non-default cron schedules. |
829 | * |
830 | * @since 2.1.0 |
831 | * |
832 | * @param array $new_schedules An array of non-default cron schedules. Default empty. |
833 | */ |
834 | return array_merge( apply_filters( 'cron_schedules', array() ), $schedules ); |
835 | } |
836 |
|
837 | /** |
838 | * Retrieve the recurrence schedule for an event. |
839 | * |
840 | * @see wp_get_schedules() for available schedules. |
841 | * |
842 | * @since 2.1.0 |
843 | * @since 5.1.0 {@see 'get_schedule'} filter added. |