php shopping cart code_PHP tutorial

Here we provide you with a simple php shopping cart code. From adding shopping products to making purchases, this function is indispensable in mall development. We do not need a database and use txt text files to operate user shopping content. .

Here we provide you with a simple php tutorial shopping cart code. From adding shopping products to making purchases, this function is indispensable in mall development. We don’t need a database tutorial and use a txt text file. Manipulate user shopping content.

Add items to the shopping cart

//
// add_item.php:
// Add an item to the shopping cart .
//
session_start();
if (session_is_registered('cart')) {
session_register('cart');
}

require 'lib. inc.php'; // LoadProducts()

LoadProducts(); // Load products in $master_products_list

// Make $curr_product global
$curr_product = array();

// Loop through all the products and pull up the product
// that we are interested in

foreach ($master_products_list as $prod_id => $ product) {
if (trim($prod_id) == trim($_GET[id])) {
$curr_product = $product;
}
}

// Register our session
//session_register('cart');
//if(session_is_registered('cart')) echo "already registered";

if ($_POST[ordered]) { // If they have chosen the product

array_push($_SESSION[cart][products], array(trim($_POST[id]), $_POST[quantity] ));
$_SESSION[cart][num_items] += $_POST[quantity];

}
?>

< head>
                                                                                                                                                                                        < Shopping Basket
                                                   ?php }                                                                                                                                                                            🎜>

< ?php echo $curr_product[name]; ?>
Added to shopping basket successfully

Return Product List page.

Add to your shopping basket

Product name:


Product description:

Product unit price: RMB
 

  Product quantity:
 
 

< ;/html>

View items in shopping cart

//

// cart.php: www.bkjia.com

//

session_start();

require 'lib.inc.php';
//Determine whether the shopping basket session variable cart is registered, if not, register the cart variable
if (session_is_registered('cart')) {
session_register('cart');

}

// If the shopping basket is not initialized, initialize the shopping basket
if ( !isset($_SESSION[cart][num_items])) {
$_SESSION[cart] = array("num_items" => 0, "products" => array());

}


// From site_lib.inc, Loads the $master_products_list array
LoadProducts(); //Load the item list
?>

Welcome to the online store

if ($_SESSION[cart][num_items]) { // If there is something to show
?>

Items currently in the shopping basket

                                                                                                        
                                                                                    Unit price >  
                                                                                                                                         [products] as $i => $product) {
$product_id = $product[0];
$quantity = $product[1];

$total += $quantity *
(double)$master_products_list[$product_id][price];
?>

[name]; ?>                                                                          ;                                                                                                                                      action="change_quant.php" method="post">                                                                                                                                                                                                     ;td> ;?php } ?>
b>

}
?>

Items for sale in the store

We offer the following items for sale:






 

Product name                                                                                                             < th > => $item) { ?>
$item[price]; ?>	>?>

Modify the quantity in the shopping cart


//
// change_quant .php:
// Change the quantity of an item in the shopping cart.
//
session_start();
if (session_is_registered('cart')) {
session_register(' cart');
}

// Typecast to int, making sure we access the
// right element below
$i = (int)$_POST[id];

// Save the old number of products for display
// and arithmetic

$old_num = $_SESSION[cart][products][$i][1];

if ($_POST[quantity]) {

$_SESSION[cart][products][$i][1] = $_POST[quantity]; //change the quantity

} else {

unset($ _SESSION[cart][products][$i]); // Send the product into oblivion

}

// Update the number of items
$_SESSION[cart][num_items] = ( $old_num >$_POST[quantity]) ?
                                                                                                                                                                                                                      through quantity]-$old_num);
?>

  Return product list page.

Function page, the user saves the contents of the shopping cart to the txt database

//Item array
$master_products_list = array();

//Load item data function

function LoadProducts() {
global $master_products_list;
$filename = 'products.txt';

$fp = @fopen($filename, "r")

or die("Failed to open $filename file");

@flock($fp, 1)
or die("Lock $filename file failed");

//Read file content
while ($line = fgets($fp, 1024)) {
list($id, $name, $desc, $price) = explode('|', $line); //Read each line of data, the data is formatted with | => $name, //Name
                                                  "price" => $price); //Unit price
}

@fclose($fp) //Close file
or die("Failed to close $filename file");

}

?>


It’s very simple, we just use With just 4 files, you can implement the shopping cart function using php. Well, this is just a simple

php shopping cart code

More complex ones need to be considered more and better.

http://www.bkjia.com/PHPjc/444925.html

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/444925.htmlTechArticleHere we provide you with a simple php shopping cart code, from adding shopping products to making purchases, in In mall development, this function is indispensable. We don’t need a database, use...