3v4l.org

run code in 300+ 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 - 7.3.30, 7.4.0 - 7.4.23, 8.0.0 - 8.0.10, 8.1rc1 - rc2
bool(false)

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714.09 ms | 459 KiB | 5 Q