Online PHP editor | refs for tTLRk

<?php // Creating dummy variables for ($i = 0; $i < 500; ++$i) ${md5(microtime(true))} = openssl_random_pseudo_bytes(mt_rand(1, 1000)); $items = ["one", "two", "three"]; $ignore = "two"; $iterations = 1000; $preStartTime = microtime(true); for ($i = 0; $i < $iterations; ++$i) { array_filter($items, call_user_func(function ($context·cfcd208495d565ef66e7dff9f98764da) { return function ($item) use ($context·cfcd208495d565ef66e7dff9f98764da) { extract($context·cfcd208495d565ef66e7dff9f98764da); return $item !== $ignore; }; }, get_defined_vars())); } $preTime = microtime(true) - $preStartTime; $vanillaStartTime = microtime(true); for ($i = 0; $i < $iterations; ++$i) { array_filter($items, function ($item) use ($ignore) { return $item !== $ignore; }); } $vanillaTime = microtime(true) - $vanillaStartTime; echo 'Pre: '.($preTime*1000).'ms'.PHP_EOL; echo 'Vanilla: '.($vanillaTime*1000).'ms'.PHP_EOL;