<?php final class SkipVariadic { private $b = 1; public function set($a, $b = null) { if (func_num_args() > 1) { $this->b = $b; } } public function get() { $this->set(1); return $this->b; } } $x = new SkipVariadic(); var_dump($x->get());
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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).