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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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366 | 'daily' => array( 'interval' => DAY_IN_SECONDS, 'display' => __( 'Once Daily' ) ), |
367 | ); |
368 | /** |
369 | * Filter the non-default cron schedules. |
370 | * |
371 | * @since 2.1.0 |
372 | * |
373 | * @param array $new_schedules An array of non-default cron schedules. Default empty. |
374 | */ |
375 | return array_merge( apply_filters( 'cron_schedules', array() ), $schedules ); |
376 | } |
377 |
|
378 | /** |
379 | * Retrieve Cron schedule for hook with arguments. |
380 | * |
381 | * @since 2.1.0 |
382 | * |
383 | * @param string $hook Action hook to execute when cron is run. |
384 | * @param array $args Optional. Arguments to pass to the hook's callback function. |