php验证email地址的函数
时间：2021-07-01 10:21:17
帮助过：19人阅读
- function is_valid_email($email, $test_mx = false)
- {
- if(eregi("^([_a-z0-9-]+)(\.[_a-z0-9-]+)*@([a-z0-9-]+)(\.[a-z0-9-]+)*(\.[a-z]{2,4})$", $email))
- if($test_mx)
- {
- list($username, $domain) = split("@", $email);
- return getmxrr($domain, $mxrecords);
- }
- else
- return true;
- else
- return false;
- }
- ?>
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