Online PHP editor | refs for nocI7

<?php class Base { public function _($foo) { return $foo; } } $mem = memory_get_usage(); $timestamp = microtime(true); $base = new Base; $t = function($foo) use ($base) { return $base->_($foo); }; for ($i = 0; $i < 10000; $i++) { $t($i); } $timestampAfter = microtime(true); $memDiff = memory_get_usage() - $mem; $timeDiff = $timestampAfter-$timestamp; var_dump($memDiff, $timeDiff);