// 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":2576,"date":"2022-07-13T08:37:17","date_gmt":"2022-07-12T23:37:17","guid":{"rendered":"https:\/\/one-foodie.com\/?p=2576"},"modified":"2022-07-13T08:37:19","modified_gmt":"2022-07-12T23:37:19","slug":"adrift-by-david-myers-%e6%9d%b1%e4%ba%ac%e3%80%81%e4%ba%8c%e9%87%8d%e6%a9%8b","status":"publish","type":"post","link":"https:\/\/one-foodie.com\/2576\/","title":{"rendered":"ADRIFT by DAVID MYERS\u00a0 \/ \u6771\u4eac\u3001\u4e8c\u91cd\u6a4b"},"content":{"rendered":"