40 lines
856 B
PHP
40 lines
856 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: 2018/4/20 0020
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* Time: 17:32
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*/
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declare(strict_types=1);
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namespace validator;
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class EmailValidator 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, $params) {
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$value = $params[$field] ?? null;
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if (empty($value)) {
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return true;
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}
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$exp = "^[a-z\'0-9]+([._-][a-z\'0-9]+)*@([a-z0-9]+([._-][a-z0-9]+))+$";
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if (!preg_match($exp, $value)) {
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return $this->addError($field,'The param :attribute format error');
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}
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[$account, $domain] = explode("@", $value);
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if (checkdnsrr($domain, "MX")) {
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return true;
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}
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return $this->addError($field,'The param :attribute format error');
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}, $this->params);
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}
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}
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