Online PHP editor | refs for SpBmi

<?php class Foo {} function f0($foo) {} function f1(Foo $foo) {} function f2(Foo $foo = null) {} $times = array(); for ($j = 0; $j < 10; $j++) { $start = microtime(true); for ($i = 0; $i < 1000000; $i++) { f0(new Foo()); } $times[] = microtime(true) - $start; } var_dump(array_sum($times) / 10); $times = array(); for ($j = 0; $j < 10; $j++) { $start = microtime(true); for ($i = 0; $i < 1000000; $i++) { f1(new Foo()); } $times[] = microtime(true) - $start; } var_dump(array_sum($times) / 10); $times = array(); for ($j = 0; $j < 10; $j++) { $start = microtime(true); for ($i = 0; $i < 1000000; $i++) { f2(new Foo()); } $times[] = microtime(true) - $start; } var_dump(array_sum($times) / 10);