Online PHP editor | refs for BtoDq

<?php $startTime = microtime(true); $result = ""; for($i = 0; $i < 50000000; $i++) $result = 'salut'; $endTime = microtime(true); echo 'Single quotes: ', $endTime - $startTime, ' seconds', "\n"; $startTime = microtime(true); $result = ""; for($i = 0; $i < 50000000; $i++) $result = "salut"; $endTime = microtime(true); echo 'Double quotes: ', $endTime - $startTime, ' seconds', "\n";