You can create an array via a form and submit it:
<INPUT TYPE=HIDDEN VALUE="VALUE1" NAME=YourArrauy[]>
<INPUT TYPE=HIDDEN VALUE="VALUE2" NAME=YourArrauy[]>
<INPUT TYPE=HIDDEN VALUE="VALUE3" NAME=YourArrauy[]>
<INPUT TYPE=HIDDEN VALUE="VALUE4" NAME=YourArrauy[]>
<INPUT TYPE=HIDDEN VALUE="VALUE5" NAME=YourArrauy[]>
On the next page you would have an array $YourArray with values, VALUE1, VALUE2, VALUE3, VALUE4, VALUE5
this also works for multi-dimensional and assosiative arrays.
OR
You could just set the array as a session variable 🙂