<?php
namespace common\models;

use yii\validators\Validator;

class ForbiddenWordsValidator extends Validator
{
    public $forbiddenWords = [];

    public function validateAttribute($model, $attribute)
    {
        $value = $model->$attribute;
        $forbiddenWords = $this->forbiddenWords;

        foreach ($forbiddenWords as $word) {
            if (stripos($value, $word) !== false) {
                $this->addError($model, $attribute, 'มีคำที่ไม่สามารถใช้ได้ กรุณาแก้ใขคำก่อน...');
                break;
            }
        }
    }
}