PHP Shopping Cart class implementation code and application examples

Class Shopcar { Product List Public $productList =array (); /** * * @param unknown_type $product in the product * @return True there is no item in the cart */ Public Function checkproduct ($product) { for ($i =0; $i productlist); $i + +) { if ($this->productlist[$i] [' name ']== $product [' name ']) return $i; } return-1; } Add to Cart Public function Add ($product) { $i = $this->checkproduct ($product); if ($i ==-1) Array_push ($this->productlist, $product); Else $this->productlist[$i] [' num ']+= $product [' num ']; } Delete Public Function Delete ($product) { $i = $this->checkproduct ($product); if ($i!=-1) Array_splice ($this->productlist, $i, 1); } Return information on all products Public Function Show () { return $this->productlist; } } Copy Code 2, productlist.html PHP Shopping Cart-Product List page-bbs.it-home.org View Shopping Cart Product number Product Name Price Number Buy 0 Item 1 1 Buy 1 Item 2 2 Buy 2 Item 3 1 Buy 3 Item 4 1 Buy Copy Code 3, index.php Require ' Shopcar.class.php '; Session_Start (); $name =$_post[' name ']; $num =$_post[' num ']; $price =$_post[' price ']; $product =array (' name ' = = $name, ' num ' = $num, ' price ' = ' $price '); Print_r ($product); if (Isset ($_session[' Shopcar ')) $shopcar =unserialize ($_session[' Shopcar '); Else $shopcar =new Shopcar (); $shopcar->add ($product); $_session[' Shopcar ']=serialize ($shopcar); ?> Copy Code 4, show.php Product Information Show Page _bbs.it-home.org Require ' Shopcar.class.php '; Session_Start (); $shopcar =unserialize ($_session[' Shopcar '); Print_r ($shopcar); $productList = $shopcar->productlist; foreach ($productList as $product) { ?> Product number Product Name Price Number 1 '/> Copy Code

