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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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2450 | * @type string $to The email recipient. An array of emails can be returned, |
2451 | * as handled by wp_mail(). |
2452 | * @type string $subject Email subject. |
2453 | * @type string $body Email message body. |
2454 | * @type string $headers Any email headers. Default empty. |
2455 | * } |
2456 | * @param int $failures The number of failures encountered while upgrading. |
2457 | * @param mixed $results The results of all attempted updates. |
2458 | */ |
2459 | $email = apply_filters( 'automatic_updates_debug_email', $email, $failures, $this->update_results ); |
2460 |
|
2461 | wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] ); |
2462 | } |
2463 | } |
2464 |
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