3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(parse_url('//example.com/test?a=b:1'));
Output for 7.0.22 - 7.0.33, 7.1.8 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array(3) { ["host"]=> string(11) "example.com" ["path"]=> string(5) "/test" ["query"]=> string(5) "a=b:1" }
Output for 7.0.0 - 7.0.21, 7.1.0 - 7.1.7
array(2) { ["path"]=> string(18) "//example.com/test" ["query"]=> string(5) "a=b:1" }
Output for 5.6.8 - 5.6.40
array(4) { ["host"]=> string(11) "example.com" ["port"]=> int(1) ["path"]=> string(5) "/test" ["query"]=> string(5) "a=b:1" }
Output for 5.6.0 - 5.6.7
bool(false)

preferences:
139.72 ms | 409 KiB | 5 Q