3v4l.org

run code in 500+ PHP versions simultaneously
<?php $x= 'https://:@google.com\@php.net'; var_dump( filter_var($x, FILTER_VALIDATE_URL), parse_url($x) );
Output for 7.3.29 - 7.3.33, 7.4.21 - 7.4.33, 8.0.8 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.33, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
bool(false) array(4) { ["scheme"]=> string(5) "https" ["host"]=> string(7) "php.net" ["user"]=> string(0) "" ["pass"]=> string(12) "@google.com\" }
Output for 7.3.0 - 7.3.28, 7.4.0 - 7.4.20, 8.0.0 - 8.0.7
string(29) "https://:@google.com\@php.net" array(4) { ["scheme"]=> string(5) "https" ["host"]=> string(7) "php.net" ["user"]=> string(0) "" ["pass"]=> string(12) "@google.com\" }

preferences:
104.93 ms | 1477 KiB | 4 Q