32 lines
541 B
PHP
32 lines
541 B
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: whwyy
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* Date: 2018/4/3 0003
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* Time: 15:47
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*/
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declare(strict_types=1);
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namespace validator;
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class RequiredValidator extends BaseValidator
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{
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/**
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* @return bool
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* 检查是否存在
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*/
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public function trigger(): bool
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{
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return $this->_validator($this->field, function ($field, $params) {
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if (!isset($params[$field])) {
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return $this->addError($field,'The param :attribute not exists');
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} else {
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return true;
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}
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}, $this->params);
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}
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}
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