2020-08-31 12:38:32 +08:00
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<?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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2020-10-29 18:17:25 +08:00
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declare(strict_types=1);
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2020-08-31 12:38:32 +08:00
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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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2020-12-17 14:09:14 +08:00
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public function trigger(): bool
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2020-08-31 12:38:32 +08:00
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{
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$param = $this->getParams();
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if (is_numeric($param)) {
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return true;
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}
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if (empty($param) || !isset($param[$this->field])) {
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return $this->addError('The param :attribute not exists');
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} else {
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return true;
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}
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}
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}
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