4 ms·Haven’t seen that one in the wild. Can that chain just keep going?!by duncan-donuts 7y agoHaven’t seen that one in the wild. Can that chain just keep going?!_lce0 7y agoNot sure how long .. but the chain can be quite long!! $x = 'y'; $y = 'x'; echo $$$$$$$$$$$$$y; I've tested with 1500 `$` and it still works :)maxxxxx 7y agoGood to know that this method scales well ;).