Online PHP editor | refs for 8RHgB

<?php echo "++i "; $start = microtime(true); for ($i = 0; $i < 10000000; ++$i); $delta_pre = microtime(true) - $start; printf('%.4F', $delta_pre); echo PHP_EOL; echo "i++ "; $start = microtime(true); for ($i = 0; $i < 10000000; $i++); $delpa_post = microtime(true) - $start; printf('%.4F', $delpa_post); echo PHP_EOL; echo PHP_EOL; printf('%.2F', $delta_pre / $delpa_post * 100); echo "%", PHP_EOL;