[PHP] form > summary !!

Hello, well, here i have my first project and my first problem i write 2 litlte pages. The error consists that if the first item is not selected, "receptor.php" dont print nothing page 1 "; print $articulo[$contador]; print " $ "; print $precio[$contador];

[PHP] start a session crash

Hello, when i start a session at the begining of the documente *.php i receive this: in a dialog box: PHP provocó un error de página no válida en el módulo PHP4TS.DLL de 0177:10054363. Registros: EAX=0028 CS=0177 EIP=10054363 EFLGS=00010206 EBX=00760050 SS=017f ESP=0063fa48 EBP=100a01d0