Online PHP editor | output for 8A7Pv

@ 2018-05-11T23:43:23Z

<?php

//EXAMPLE, PSEUDO CODE

class Cart{
    protected $items = [];//array of id => [stuff]
    
    public function __construct(){
        $this->read();
    }
    //$attributes - IDK, maybe quantity or ... something...
    
    public function add(int $id, array $attributes = []){
        if(isset($this->items [$id])){
            //@todo - do smth about it...
        }
        $this->items [$id][]  = $attributes;   
        return $this;
    }
    
    public function read(){
        //might change this later, to db and or serialization
        $this->items = json_decode((isset($_SESSION['cart'])));
        return $this;
    }
    
    public function write(){
        //might change this later, to db and or serialization
        $_SESSION['cart'] = json_encode($this->items);
        return $this;
    }    
    
    public function getItems(){
        return $this->items;
    }
}

///
//thing is you don't care HERE about internal implementaion. Which can  be changed later.
$cart = new Cart();
$cart->add(17,['quantity' => 12]);
$cart->add(42,['quantity' => 99])->write();
var_dump($cart->getItems());

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: array(2) { [17]=> array(1) { [0]=> array(1) { ["quantity"]=> int(12) } } [42]=> array(1) { [0]=> array(1) { ["quantity"]=> int(99) } } }
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { [17]=> array(1) { [0]=> array(1) { ["quantity"]=> int(12) } } [42]=> array(1) { [0]=> array(1) { ["quantity"]=> int(99) } } }
Output for 5.6.0 - 5.6.40: Catchable fatal error: Argument 1 passed to Cart::add() must be an instance of int, integer given, called in /in/8A7Pv on line 41 and defined in /in/8A7Pv on line 13
Process exited with code 255.

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