3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(posix_uname());
Output for 5.4.0 - 5.4.12, 5.4.14, 5.4.18 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [sysname] => Linux [nodename] => php_shell [release] => 4.8.6-1-ARCH [version] => #1 SMP PREEMPT Mon Oct 31 18:51:30 CET 2016 [machine] => x86_64 [domainname] => )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.13, 5.4.15 - 5.4.17
Array ( [sysname] => Linux [nodename] => php_shell [release] => 4.8.6-1-ARCH [version] => #1 SMP PREEMPT Mon Oct 31 18:51:30 CET 2016 [machine] => x86_64 )

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