Online PHP editor | refs for YgLFK

<?php function foo() { $foo = array(); for($x = 0; $x < 100000; $x++){ $foo[] = pow($x,$x); } return $foo; } $t = microtime(true); foreach(foo() as $val){ $val = $val + 2; } echo round(microtime(true) - $t, 5)."\n"; $t = microtime(true); $foo = foo(); foreach($foo as $val){ $val = $val + 2; } echo round(microtime(true) - $t, 5)."\n";