PHP function to obfuscate email

hideEmail.php

<?php

    function hideEmail($email) {
        $email = explode("@", $email);
        $name = $email[0];
        if (strlen($name) > 3) {
            $name = substr($name, 0, 2);
            for ($i = 0; $i < strlen($email[0]) - 3; $i++) {
                $name .= "*";
            }
            $name .= substr($email[0], -1, 1);
        }
        $host = explode(".", $email[1])[0];
        if (strlen($host) > 3) {
            $host = substr($host, 0, 1);
            for ($i = 0; $i < strlen(explode(".", $email[1])[0]) - 2; $i++) {
                $host .= "*";
            }
            $host .= substr(explode(".", $email[1])[0], -1, 1);
        }
        $email = $name . "@" . $host . "." . explode(".", $email[1])[1];
        return $email;
    }

?>