// 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":1050,"date":"2022-05-23T09:58:40","date_gmt":"2022-05-23T00:58:40","guid":{"rendered":"https:\/\/one-foodie.com\/?p=1050"},"modified":"2022-12-04T16:16:09","modified_gmt":"2022-12-04T07:16:09","slug":"cuisine-et-vin-aruru%ef%bc%88%e3%82%ad%e3%83%a5%e3%82%a4%e3%82%b8%e3%83%bc%e3%83%8c-%e3%82%a8-%e3%83%b4%e3%82%a1%e3%83%b3-%e3%82%a2%e3%83%ab%e3%83%ab%ef%bc%89-%e7%a5%9e%e6%b3%89","status":"publish","type":"post","link":"https:\/\/one-foodie.com\/1050\/","title":{"rendered":"cuisine et vin aruru\uff08\u30ad\u30e5\u30a4\u30b8\u30fc\u30cc \u30a8 \u30f4\u30a1\u30f3 \u30a2\u30eb\u30eb\uff09\/ \u795e\u6cc9\u30fb\u6e0b\u8c37"},"content":{"rendered":"