zend framework 2-使用验证器比较2个输入? [英] zend framework 2 - compare 2 inputs using validator?

问题描述

我是zend Framework 2的新手，我有一个问题需要比较以工厂支持的形式进行的两个输入.我的情况如下:

I'm new to zend framework 2 and I have a question on comparing two inputs in the factory-backed form. My scenario is like following:

我想比较两个输入，例如$startDate和$endDate.我想验证$startDate总是小于$endDate.我要怎么做呢?例如:

I want to compare two inputs, for example, $startDate and $endDate. I want to validate that $startDate is always less than $endDate. How I'm going to do this? For example:

$inputFilter->add($factory->createInput(array(
                'name'     => 'startDate',
                'required' => true,
                'validators' => array(
                    array(
                        'name'    => 'LessThan',
                        'options' => array(
                            'max'      => $endDate,
                        ),
                    ),
                ),
            )));

仅供参考，我正在关注《相册》教程，并且在classTable.php中创建了$inputFilter.

FYI, I'm following the Album tutorial and the $inputFilter is created in the classTable.php.

谢谢

推荐答案

感谢Crisp！我用类似的方法解决了这个问题:

Thanks to Crisp! I solved it with something similar:

$inputFilter->add($factory->createInput(array(
            'name'     => 'startDate',
            'required' => true,
            'name'     => 'Callback',
                'options' => array(
                    'message' => array( 
                        Callback::INVALID_VALUE => 'Invalid period is given.',
                    ),
                    'callback' => function($value, $context=array()) {
                        return $value < $context['endDate'];
                    },
                ),
            )));

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