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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 |
|---|---|
| 3776 | * |
| 3777 | * @type WP_User_Request $request User request object. |
| 3778 | * @type string $email The email address this is being sent to. |
| 3779 | * @type string $description Description of the action being performed so the user knows what the email is for. |
| 3780 | * @type string $confirm_url The link to click on to confirm the account action. |
| 3781 | * @type string $sitename The site name sending the mail. |
| 3782 | * @type string $siteurl The site URL sending the mail. |
| 3783 | * } |
| 3784 | */ |
| 3785 | $headers = apply_filters( 'user_request_action_email_headers', $headers, $subject, $content, $request_id, $email_data ); |
| 3786 | |
| 3787 | $email_sent = wp_mail( $email_data['email'], $subject, $content, $headers ); |
| 3788 | |
| 3789 | if ( $switched_locale ) { |
| 3790 | restore_previous_locale(); |
| 3791 | } |
| 3792 | |
| 3793 | if ( ! $email_sent ) { |
| 3794 | return new WP_Error( 'privacy_email_error', __( 'Unable to send personal data export confirmation email.' ) ); |