Online PHP editor | refs for kPKfL

<?php $numbers = range(0,10000); $start = microtime(true); $found = []; foreach($numbers as $num){ if($num > 1000 && $num < 6000){ $found[] = $num; } } $end = microtime(true); echo "foreach: ".$end - $start."\n"; $start = microtime(true); function FoundValues($num){ return $num > 1000 && $num < 6000; } $found = array_filter($numbers, 'FoundValues'); $end = microtime(true); echo "array_filter: ".$end - $start;