3v4l.org

run code in 500+ PHP versions simultaneously
<?php namespace A; enum Foo { case BAR; } $bar = var_export(Foo::BAR, true); echo <<<PHP <?php namespace Generated\Code; echo $bar; PHP;
Output for 7.4.0 - 7.4.28
Parse error: syntax error, unexpected 'Foo' (T_STRING) in /in/MKPpJ on line 5
Process exited with code 255.
Output for 8.0.1 - 8.0.17
Parse error: syntax error, unexpected identifier "Foo" in /in/MKPpJ on line 5
Process exited with code 255.
Output for 8.1.0 - 8.1.34
<?php namespace Generated\Code; echo A\Foo::BAR;
Output for 8.2.21 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
<?php namespace Generated\Code; echo \A\Foo::BAR;

preferences:
34.3 ms | 1506 KiB | 13 Q