<?php $f = new class { public function bar(int $a) { print $a . PHP_EOL; } }; $res = $f?->bar(5); $c = $f?->bar(?); $c(4); $g = null; $d = $g?->bar(?); $d(3);
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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).