php shopping cart tutorial

// Code for generating the shopping cart sessionIf (! $ Session ! $ Scid ){/*Session is used to differentiate each shopping cart, which is equivalent to the ID card number of each car;Scid is only used to identify a shopping cart

// Generate the shopping cart session Code If (! $ Session ! $ SCID ){ /* Session is used to differentiate each shopping cart, which is equivalent to the ID card number of each car; SCID is only used to identify a shopping cart

PHP Shopping Cart Problem Include (' book_sc_fns.php ');The shopping cart needs sessions, so start oneSession_Start ();@ $new = $_get[' new ');if ($new) {New Item selectedif (!isset ($_session[' cart ')) {$_session['

This article mainly introduces the php shopping cart Implementation of CodeIgniter. It gives a detailed analysis of the functions and implementation skills of the shopping cart, which has some reference value. For more information, see This article mainly introduces the

1. definition : An anonymous function (Anonymous functions), also called a closure function (closures), allows temporary creation of a function without a specified name. The value most often used as the callback function (callback) parameter. Of course, there are other applications as well.2. Usage :1) as the value of the variable :The closure function can also be used as the value of a variable. PHP automatically converts this expression into an obje

PHP Shopping Cart Class code In the development of online shopping sites, shopping cart class is a necessary module for shopping sites. Summarize a

If (! $ Session ! $ SCID ){ /* Session is used to differentiate each shopping cart, which is equivalent to the ID card number of each car; SCID is only used to identify a shopping cart ID, which can be considered as the name of each vehicle; When neither the ID nor the session value of the

The production code of the shopping cart session if (! $session ! $scid) { /* The session is used to distinguish each shopping cart, which is equivalent to the ID number of each car; SCID is only used to identify a shopping cart I

The shopping cart of the mall is implemented in the PHP Singleton mode. --> $velocityCount--> --> 1. [Code][PHP] code Gettype () = 0) {return false;} if (! (Array_key_exists ($ goods_id, $ this-> item) {return false;} else {return $ this-> item [$ goods_id] ['num']; // return the number of items} // add a public f

Php shopping cart to delete expired items now has a small product system, so that the shopping cart process is clear. I did this: when a visitor visits a website, a cartID is generated, a random 32-bit string is generated, and then the string is put into the cookie, and set

This article mainly introduces the shopping cart class implemented by PHP, which can be used to add, delete, and collect statistics of shopping cart, for more information about the shopping ca