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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 |
|---|---|
| 1335 | * can be returned, as handled by wp_mail(). |
| 1336 | * @type string $subject The email's subject. |
| 1337 | * @type string $body The email message body. |
| 1338 | * @type string $headers Any email headers, defaults to no headers. |
| 1339 | * } |
| 1340 | * @param string $type The type of email being sent. Can be one of 'success', 'fail', 'mixed'. |
| 1341 | * @param array $successful_updates A list of updates that succeeded. |
| 1342 | * @param array $failed_updates A list of updates that failed. |
| 1343 | */ |
| 1344 | $email = apply_filters( 'auto_plugin_theme_update_email', $email, $type, $successful_updates, $failed_updates ); |
| 1345 | |
| 1346 | $result = wp_mail( $email['to'], wp_specialchars_decode( $email['subject'] ), $email['body'], $email['headers'] ); |
| 1347 | |
| 1348 | if ( $result ) { |
| 1349 | update_option( 'auto_plugin_theme_update_emails', $past_failure_emails ); |
| 1350 | } |
| 1351 | } |
| 1352 | |
| 1353 | /** |