摘要:php原生函数验证邮箱合法性,及是否有MX记录
$email_arr = array("18337177020@163.com", "1@a.com");
foreach($email_arr as $email) {
//验证邮箱规则是否合法
if (filter_var($email) === false) {
echo "invalid email: $email \n";
continue;
}
//验证邮箱是否有MX记录
$check_email_address = explode("@",$email);
$check_email_host = array_pop($check_email_address);
if(checkdnsrr($check_email_host,"MX") === false) {
echo "invalid email: $email \n";
continue;
}
}
第一个验证相当于正则验证了,第二个验证的是mx记录,会相对稍微慢点,具体使用要看具体的情形了