回答編集履歴

修正

2019/09/24 03:29

投稿

スコア7819

test CHANGED Viewed

@@ -10,7 +10,7 @@
   global $wpdb;
-  return $wpdb->get_results("SELECT meta_value FROM {$wpdb->usermeta} WHERE user_id = {$user_id} AND meta_key LIKE '{$key}'");
+  return $wpdb->get_col("SELECT meta_value FROM {$wpdb->usermeta} WHERE user_id = {$user_id} AND meta_key LIKE '{$key}'");
 }