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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 |
---|---|
457 | /** |
458 | * Filters whether to send a debugging email for each automatic background update. |
459 | * |
460 | * @since 3.7.0 |
461 | * |
462 | * @param bool $development_version By default, emails are sent if the |
463 | * install is a development version. |
464 | * Return false to avoid the email. |
465 | */ |
466 | if ( apply_filters( 'automatic_updates_send_debug_email', $development_version ) ) |
467 | $this->send_debug_email(); |
468 |
|
469 | if ( ! empty( $this->update_results['core'] ) ) |
470 | $this->after_core_update( $this->update_results['core'][0] ); |
471 |
|
472 | /** |
473 | * Fires after all automatic updates have run. |
474 | * |
475 | * @since 3.8.0 |