56 lines
988 B
PHP
56 lines
988 B
PHP
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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: 15:46
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*/
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declare(strict_types=1);
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namespace validator;
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class EmptyValidator extends BaseValidator
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{
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/** @var string [不能为空] */
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const CAN_NOT_EMPTY = 'not empty';
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/** @var string [可为空, 不能为null] */
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const CAN_NOT_NULL = 'not null';
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public string $method;
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/**
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* @return bool
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*
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* 检查参数是否为NULL
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*/
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public function trigger(): bool
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{
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$param = $this->getParams();
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if (empty($param) || !isset($param[$this->field])) {
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return $this->addError(':attribute not exists');
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}
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$value = $param[$this->field];
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switch (strtolower($this->method)) {
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case self::CAN_NOT_EMPTY:
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if (strlen($value) < 1) {
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return $this->addError('The :attribute can not empty.');
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}
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break;
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case self::CAN_NOT_NULL:
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if ($value === null) {
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return $this->addError('The :attribute can not is null.');
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}
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break;
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}
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return true;
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}
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}
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