lab1.php

<?php

class Product{
    public $name ;
    public $price ;
    public $allowedAge ;
    public function __construct($name, $price, $allowedAge)
    {          
        $this->name = $name; 
        $this->price = $price; 
        $this->allowedAge = $allowedAge; 
    }
}
$PRODUCTS = array(
     new Product('Grechka', 125, 16),
     new Product('Pizza', 250, 18),
     new Product('Yabloko', 50, 10),
     new Product('jQuery', 100500, 65),
    
);
function getBill(){

}
function profileSettings(){

}
function finish(){

}

function startShopping(){
    global $PRODUCTS ;
    echo "Shopping..\n" ;
    pick_product:
    foreach($PRODUCTS as $n=>$product){
        echo $n+1 . "  --- $product->name costs $product->price gryvens, allowed from $product->allowedAge years. \n" ;
    }
    $choise = readline("Your choise: ") - 1;
    if(_containsKey($PRODUCTS,$choise)){
        echo "Oh yeah!";
    } else {
        echo "Incorrect input, young man! Try again..";
        goto pick_product;
    }

}

function _containsKey($arr, $k){
    foreach($arr as $key=>$value){
        if($key == $k){
            return true ;
        }
    }
    return false ;
}




echo "Консольное приложение \"неоригинальный магазин.\n";
echo "1. Начать покупки - “1”\n";
echo "2. Получить итоговый счет - “2”\n";
echo "3. Настройки профиля - “3”\n";
echo "4. Выход из программы - “0”\n";
start:
$choise = readline("Ваш выбор: ");
switch ($choise)  {
    case "1" :
        startShopping();
        break ;
    case "2" :
        getBill() ;
        break ;
    case "3" :
        profileSettings() ;
        break ;
    case "0":
        finish();
        break;
    default :
        echo "Неправильный ввод! Попробуйте еще раз!\n";
        goto start ;
}




?>