5 ms·
Not sure how long .. but the chain can be quite long!! $x = 'y'; $y = 'x'; echo $$$$$$$$$$$$$y; I've tested with 1500 `$` and it still works :)
by _lce0 7y ago
Not sure how long .. but the chain can be quite long!!
$x = 'y';
$y = 'x';
echo $$$$$$$$$$$$$y;
I've tested with 1500 `$` and it still works :)
- maxxxxx 7y agoGood to know that this method scales well ;).