// 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":2028,"date":"2022-06-16T11:17:33","date_gmt":"2022-06-16T02:17:33","guid":{"rendered":"https:\/\/one-foodie.com\/?p=2028"},"modified":"2022-06-16T18:41:50","modified_gmt":"2022-06-16T09:41:50","slug":"imprest-cafe-by-anea-cafe-hatchobori-%e5%85%ab%e4%b8%81%e5%a0%80","status":"publish","type":"post","link":"https:\/\/one-foodie.com\/2028\/","title":{"rendered":"IMPREST CAFE by anea cafe hatchobori \/ \u516b\u4e01\u5800"},"content":{"rendered":"