ktyr report

AppModel.php

public function isHalfLetter($data) {
    $str = current($data);
    return preg_match('/^[\x21-\x7E]*$/', $str);
}

各モデル

var $validate=array(
    'target'=>array(
        'rule1'=>array(
            'rule' => 'isHalfLetter',
            'message' => '全角文字が含まれてるっす'
         ),
    )
);