Code example for updating the number of shopping carts in php

Code example for updating the number of shopping carts in php

 $ Value) {$ sqlgx = "update 'cartemp 'set suliang =' $ value' where username = '". $ username. "'and flag = 0 and sp_id = '". $ key. "'"; mysql_query ($ sqlgx, $ conn); echo "script location. href = 'shopcat. php 'script ";} break; case" null ": $ null_ SQL =" delete from 'cartemp 'where username =' $ username' and flag = 0 "; mysql_query ($ null_ SQL, $ conn); echo "script location. href = 'shopcat. php 'script '; break; case "del": $ id = $ _ GET ['Id']; $ del_ SQL = "delete from 'cartemp 'where id = $ id"; mysql_query ($ del_ SQL, $ conn); echo "script location. href = 'shopcat. php 'script '; break;}?>