[李景山php]每天laravel-20161006|Validator.php-6

    /**     * Validate that an attribute is different from another attribute.     *     * @param  string  $attribute     * @param  mixed   $value     * @param  array   $parameters     * @return bool     */    protected function validateDifferent($attribute, $value, $parameters)    {        $this->requireParameterCount(1, $parameters, 'different');// require Parameter Count        $other = Arr::get($this->data, $parameters[0]);//Arr::get(data,)        return isset($other) && $value !== $other;//return value    }// Validate that an attribute is different from another attribute    /**     * Validate that an attribute was "accepted".     *     * This validation rule implies the attribute is "required".     *     * @param  string  $attribute     * @param  mixed   $value     * @return bool     */    protected function validateAccepted($attribute, $value)    {        $acceptable = ['yes', 'on', '1', 1, true, 'true'];        return $this->validateRequired($attribute, $value) && in_array($value, $acceptable, true);    }//Validate that an attribute was "accepted"    // change every thing it is ok!