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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 |
|---|---|
| 4774 | * |
| 4775 | * @type WP_User_Request $request User request object. |
| 4776 | * @type string $email The email address this is being sent to. |
| 4777 | * @type string $description Description of the action being performed so the user knows what the email is for. |
| 4778 | * @type string $confirm_url The link to click on to confirm the account action. |
| 4779 | * @type string $sitename The site name sending the mail. |
| 4780 | * @type string $siteurl The site URL sending the mail. |
| 4781 | * } |
| 4782 | */ |
| 4783 | $headers = apply_filters( 'user_request_action_email_headers', $headers, $subject, $content, $request_id, $email_data ); |
| 4784 | |
| 4785 | $email_sent = wp_mail( $email_data['email'], $subject, $content, $headers ); |
| 4786 | |
| 4787 | if ( $switched_locale ) { |
| 4788 | restore_previous_locale(); |
| 4789 | } |
| 4790 | |
| 4791 | if ( ! $email_sent ) { |
| 4792 | return new WP_Error( 'privacy_email_error', __( 'Unable to send personal data export confirmation email.' ) ); |