Online PHP editor | refs for unRWi

<?php $a = "Something"; $b = "Other thing"; $startDouble = microtime(); for ($i = 0; $i < 10000; $i++) $var = "I am a single quote string $a & $b & $a & $b"; $endDouble = microtime(); $timeDouble = $endDouble - $startDouble; echo 'No math took : ',$timeDouble,'ms';