Online PHP editor | refs for 2iMs4

<?php function somefunc() { return 'somestring'; } $time = microtime(1); $i = 0; while($i++ < 1000000) echo'somestring',somefunc(),'somestring'; echo (microtime(1)-$time)." seconds for commas"; echo "\n"; $time = microtime(1); $i = 0; while($i++ < 1000000) echo'somestring'.somefunc().'somestring'; echo (microtime(1)-$time)." seconds for dot";