switch locale to admin locale

src/wp-includes/l10n.php

@@ -111,6 +111,25 @@ function get_user_locale( $user = 0 ) {
  return $locale ? $locale : get_locale();
 }
 
+/**
+ * Retrieves the locale of a user that is associated with the admin_email.
+ *
+ * If there is no user associated with the admin_email, defaults to the site_language
+ *
+ * @since 6.7.0
+ *
+ * @return string The locale of the admin.
+ */
+function get_admin_locale() {
+ $admin_email = get_option( 'admin_email' );
+ $admin_user = get_user_by( 'email', $admin_email );
+ if ( $admin_user ) {
+ $locale = get_user_locale( $admin_user );
+ }
+
+ return $locale ?? get_locale();
+}
+
 /**
  * Determines the current locale desired for the request.
  *

src/wp-includes/pluggable.php

@@ -2063,6 +2063,11 @@ function wp_password_change_notification( $user ) {
  * but check to see if it's the admin whose password we're changing, and skip this.
  */
  if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
+
+ $admin_user = get_user_by( 'email', get_option( 'admin_email' ) );
+
+ $switched_locale = $admin_user && switch_to_user_locale( $admin_user );
+
  /* translators: %s: User name. */
  $message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n";
  /*
@@ -2103,6 +2108,10 @@ function wp_password_change_notification( $user ) {
  $wp_password_change_notification_email['message'],
  $wp_password_change_notification_email['headers']
  );
+
+ if ( $switched_locale ) {
+ restore_previous_locale();
+ }
  }
  }
 endif;
@@ -2152,7 +2161,10 @@ function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' )
  $send_notification_to_admin = apply_filters( 'wp_send_new_user_notification_to_admin', true, $user );
 
  if ( 'user' !== $notify && true === $send_notification_to_admin ) {
- $switched_locale = switch_to_locale( get_locale() );
+
+ $admin_user = get_user_by( 'email', get_option( 'admin_email' ) );
+
+ $switched_locale = $admin_user && switch_to_user_locale( $admin_user );
 
  /* translators: %s: Site title. */
  $message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n";