// 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":1582,"date":"2022-06-06T11:49:40","date_gmt":"2022-06-06T02:49:40","guid":{"rendered":"https:\/\/one-foodie.com\/?p=1582"},"modified":"2022-06-08T21:02:18","modified_gmt":"2022-06-08T12:02:18","slug":"aux-bacchanales-%e7%b4%80%e5%b0%be%e4%ba%95%e7%94%ba-%e6%b0%b8%e7%94%b0%e7%94%ba%e3%80%81%e8%b5%a4%e5%9d%82%e8%a6%8b%e9%99%84","status":"publish","type":"post","link":"https:\/\/one-foodie.com\/1582\/","title":{"rendered":"AUX BACCHANALES \u7d00\u5c3e\u4e95\u753a \/\u6c38\u7530\u753a\u3001\u8d64\u5742\u898b\u9644"},"content":{"rendered":"