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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 |
|---|---|
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * Fires after PHPMailer is initialized. |
| 479 | * |
| 480 | * @since 2.2.0 |
| 481 | * |
| 482 | * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference). |
| 483 | */ |
| 484 | do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) ); |
| 485 | |
| 486 | // Send! |
| 487 | try { |
| 488 | return $phpmailer->send(); |
| 489 | } catch ( phpmailerException $e ) { |
| 490 | |
| 491 | $mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' ); |
| 492 | $mail_error_data['phpmailer_exception_code'] = $e->getCode(); |
| 493 | |