3v4l.org

run code in 500+ PHP versions simultaneously
<?php $email = 'php-announce-sc.123456.abcabcabcabcabcabc-abcabcabc-php=example.com@lists.php.net'; var_dump(filter_var($email, FILTER_VALIDATE_EMAIL));
Output for 7.1.26 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(false)
preferences:
107.95 ms | 1407 KiB | 4 Q