// Contact Form7のお問い合せフォーム項目にひらがなが無ければ送信不可 add_filter('wpcf7_validate_textarea', 'wpcf7_validation_textarea_hiragana', 10, 2); add_filter('wpcf7_validate_textarea*', 'wpcf7_validation_textarea_hiragana', 10, 2); function wpcf7_validation_textarea_hiragana($result, $tag) { $name = $tag['name']; $value = (isset($_POST[$name])) ? (string) $_POST[$name] : ''; if ($value !== '' && !preg_match('/[ぁ-ん]/u', $value)) { $result['valid'] = false; $result['reason'] = array($name => 'エラー:こちらの内容は送信できません。'); } return $result; }{"id":2883,"date":"2022-12-04T20:29:21","date_gmt":"2022-12-04T11:29:21","guid":{"rendered":"https:\/\/one-foodie.com\/?p=2883"},"modified":"2022-12-04T20:43:48","modified_gmt":"2022-12-04T11:43:48","slug":"il-lupino-prime-tokyo-%e8%a1%a8%e5%8f%82%e9%81%93-2","status":"publish","type":"post","link":"https:\/\/one-foodie.com\/2883\/","title":{"rendered":"L\u2019Atelier de Stand Banh Mi \/ \u81ea\u7531\u304c\u4e18\u99c5"},"content":{"rendered":"