Online PHP editor | refs for 159dP

<?php function foo() { $foo = 'bar'; } $bar = function() { $foo = 'bar'; }; $tries = 1E5; $start = microtime(true); for ($i = 0; $i < $tries; $i++) { foo(); } echo (microtime(true) - $start); $start = microtime(true); for ($i = 0; $i < $tries; $i++) { $bar(); } echo (microtime(true) - $start);