run code in 300+ PHP versions simultaneously
<?php function gen(): Generator { yield new stdClass() => 'foo'; yield ['a'] => 'foo'; yield gen2() => 'foo'; yield fn($a) => 'b' => 'c'; } function gen2(): Generator { yield 'bar'; } gen(); foreach(gen() as $key => $value) { var_dump($key, $value); }
based on YLt4O

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)