Online PHP editor | refs for g9gke

<?php $time=microtime(true); for($run=0;$run<100000; $run++) $string1='Hello this is a string which is being read many times and stuff like that.'; $time=microtime(true)-$time; echo "Single quotes took $time seconds\n"; $time=microtime(true); for($run=0;$run<100000; $run++) $string2="Hello this is a string which is being read many times and stuff like that."; $time=microtime(true)-$time; echo "Double quotes took $time seconds\n";