Online PHP editor | refs for cgvdk

<?php $amount = 100000; $size = 15; $data = []; for ($i = 0; $i < $size; ++$i) { $data[$i] = rand(0, 1) ? bin2hex(random_bytes(3)) : null; } $start = microtime(true); for ($lap = 0; $lap < $amount; ++$lap) { $dataFiltered = []; for ($i = 0; $i < $size; ++$i) { if (!is_null($data[$i])) { $dataFiltered[$i] = $data[$i]; } } } $time = microtime(true) - $start; echo "Manual: $time\n"; $start = microtime(true); for ($lap = 0; $lap < $amount; ++$lap) { $dataFiltered = array_filter($data, function($value) { return !is_null($value); }); } $time = microtime(true) - $start; echo "Auto: $time\n";