3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { const BAZ = 42; const AAZ = 24; function bar() { return 'foo.bar'; } function aar() { return 'foo.bar2'; } } namespace { use function foo\bar as foo_bar, foo\aar as foo_bar2; use const foo\BAZ as FOO_BAZ, foo\aar as FOO_BAZ2; var_dump(foo_bar()); var_dump(FOO_BAZ); var_dump(foo_bar2()); var_dump(FOO_BAZ2); }

preferences:
56.47 ms | 402 KiB | 5 Q