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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 |
|---|---|
| 3498 | * |
| 3499 | * @type WP_User_Request $request User request object. |
| 3500 | * @type string $email The email address this is being sent to. |
| 3501 | * @type string $description Description of the action being performed so the user knows what the email is for. |
| 3502 | * @type string $confirm_url The link to click on to confirm the account action. |
| 3503 | * @type string $sitename The site name sending the mail. |
| 3504 | * @type string $siteurl The site URL sending the mail. |
| 3505 | * } |
| 3506 | */ |
| 3507 | $subject = apply_filters( 'user_request_action_email_subject', $subject, $email_data['sitename'], $email_data ); |
| 3508 | |
| 3509 | $email_sent = wp_mail( $email_data['email'], $subject, $content ); |
| 3510 | |
| 3511 | if ( $switched_locale ) { |
| 3512 | restore_previous_locale(); |
| 3513 | } |
| 3514 | |
| 3515 | if ( ! $email_sent ) { |
| 3516 | return new WP_Error( 'privacy_email_error', __( 'Unable to send personal data export confirmation email.' ) ); |