Exploding a string twice

Question

I have a string composed like this:

87||1|nuovo#88||4|#209|||#89|||#41||1|#5|||#3||1|116#20|||#13||3|#148|||

The pattern is:

Answer 1

Sight change to Jiri's code.

Replace this line

list($id, $mq, $qr, $tipo) = explode('|', $i);

with

list($id[], $mq[], $qr[], $tipo[]) = explode('|', $i);