3v4l.org

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<?php function validateEmail($email = "") { if (!$email) { return false; } if (filter_var($email, FILTER_VALIDATE_EMAIL)) { $domain = substr(strrchr($email, "@"), 1); echo $domain; var_dump(checkdnsrr($domain, 'MX')); if (!checkdnsrr($domain, 'MX')) { echo 222; // domain is not valid return false; } else if (preg_match('/successfulmatch\.com$/i', $domain) || preg_match('/88vip\.site$/i', $domain)) { return true; } } else { return false; } } var_dump(validateEmail("luxury01@gmail.com"));
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.6
gmail.combool(false) 222bool(false)

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