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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 |
|---|---|
| 453 | $phpmailer->AddCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) ); |
| 454 | } |
| 455 | |
| 456 | if ( !empty( $attachments ) ) { |
| 457 | foreach ( $attachments as $attachment ) { |
| 458 | $phpmailer->AddAttachment($attachment); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) ); |
| 463 | |
| 464 | // Send! |
| 465 | $result = @$phpmailer->Send(); |
| 466 | |
| 467 | return $result; |
| 468 | } |
| 469 | endif; |
| 470 | |
| 471 | if ( !function_exists('wp_authenticate') ) : |