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https://github.com/seikan/Cart

A simple PHP shopping cart class to use in ecommerce web applications.
https://github.com/seikan/Cart

Last synced: 3 months ago
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A simple PHP shopping cart class to use in ecommerce web applications.

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README

        

# Cart

This is a very simple PHP cart library. Cart data can either be saved in PHP session or browser cookie.

## Usage

### Configuration

> \$cart= new Cart( \[**array** $options\] );

##### Options

| Parameter | Type | Description |
| --------------- | -------- | ------------------------------------------------------------ |
| cartMaxItem | **int** | The maximum item can be added to cart. 0 = Unlimited |
| itemMaxQuantity | **int** | The maximum quantity per item can be added to cart. 0 = Unlimited |
| useCookie | **bool** | Use cookie to keep cart data when browser is closed. |

```php
// Include core Cart library
require_once 'class.Cart.php';

// Initialize Cart object
$cart = new Cart([
// Can add unlimited number of item to cart
'cartMaxItem' => 0,

// Set maximum quantity allowed per item to 99
'itemMaxQuantity' => 99,

// Do not use cookie, cart data will lost when browser is closed
'useCookie' => false,
]);
```

### Add Item

Adds an item to cart.

> **bool** \$cart->add( **string** \$id\[, **int** \$quantity\]\[, **array** $attributes\] );

```php
// Add item with ID #1001
$cart->add('1001');

// Add 5 item with ID #1002
$cart->add('1002', 5);

// Add item with ID #1003 with price, color, and size
$cart->add('1003', 1, [
'price' => '5.99',
'color' => 'White',
'size' => 'XS',
]);

// Item with same ID but different attributes will added as separate item in cart
$cart->add('1003', 1, [
'price' => '5.99',
'color' => 'Red',
'size' => 'M',
]);
```

### Update Item

Updates quantity of an item. Attributes **must be** provides if item with same ID exists with different attributes.

> **bool** \$cart->update( **string** \$id, **int** $quantity\[, **array** \$attributes\] );

```php
// Set quantity for item #1001 to 5
$cart->update('1001', 5);

// Set quantity for item #1003 to 2
$cart->update('1003', 2, [
'price' => '5.99',
'color' => 'Red',
'size' => 'M',
]);
```

### Remove Item

Removes an item. Attributes **must be** provided to remove specified item, or all items with same ID will be removed from cart.

> **bool** \$cart->remove( **string** $id\[, **array** \$attributes\] );

```php
// Remove item #1001
$cart->remove('1001');

// Remove item #1003 with color White and size XS
$cart->remove('1003', [
'price' => '5.99',
'color' => 'White',
'size' => 'XS',
]);
```

### Get Items

Gets a multi-dimensional array of items stored in cart.

> **array** \$cart->getItems( );

```php
// Get all items in the cart
$allItems = $cart->getItems();

foreach ($allItems as $items) {
foreach ($items as $item) {
echo 'ID: '.$item['id'].'
';
echo 'Qty: '.$item['quantity'].'
';
echo 'Price: '.$item['attributes']['price'].'
';
echo 'Size: '.$item['attributes']['size'].'
';
echo 'Color: '.$item['attributes']['color'].'
';
}
}
```

### Get Item

Gets a multi-dimensional array of one item stored in cart.

> **array** \$cart->getItem( **string** $id\[, **string** \$hash\] );

```php
// Get first one item from the cart with id 1001
$theItem = $cart->getItem('1001');

// Get one item from the cart with any id and hash
$theItem = $cart->getItem($item['id'], $item['hash']);
```

### Check Cart Empty

Checks if the cart is empty.

> **bool** \$cart->isEmpty( );

```php
if ($cart->isEmpty()) {
echo 'There is nothing in the basket.';
}
```

### Get Total Item

Gets the total of items in the cart.

> **int** \$cart->getTotaltem( );

```php
echo 'There are '.$cart->getTotalItem().' items in the cart.';
```

### Get Total Quantity

Gets the total of quantity in the cart.

> **int** \$cart->getTotalQuantity( );

```php
echo $cart->getTotalQuantity();
```

### Get Attribute Total

Gets the sum of a specific attribute.

> **int** \$cart->getAttributeTotal( **string** $attribute );

```php
echo '

Total Price: $'.number_format($cart->getAttributeTotal('price'), 2, '.', ',').'

';
```

### Clear Cart

Clears all items in the cart.

> \$cart->clear( );

```php
$cart->clear();
```

### Destroy Cart

Destroys the entire cart session.

> \$cart->destroy( );

```php
$cart->destroy();
```

### Item Exists

Checks if an item exists in cart.

> **bool** \$cart->isItemExists( **string** \$id\[, **array** \$attributes\] );

```php
if ($cart->isItemExists('1001')) {
echo 'This item already added to cart.';
}
```