Online PHP editor | refs for q04t2

<?php $start = microtime(true); for($i = 1; $i <= 10000; $i++) { if(function_exists('mcrypt_encrypt')) { echo "y"; } else { echo "n"; } } $end = microtime(true); echo PHP_EOL."function_exists: ".($end - $start)."ms".PHP_EOL; $start = microtime(true); for($i = 1; $i <= 10000; $i++) { if(extension_loaded('mcrypt')) { echo "y"; } else { echo "n"; } } $end = microtime(true); echo PHP_EOL."extension_loaded: ".($end - $start)."ms";