Mam listę produktów, od witch muszę wyświetlać cztery przedmioty losowo.

<?php 

// my product list
function productlistX {
    $array = array( 

        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};
        $product {$name = 'product name', $link = 'product link', $img = "product image"};

    )

    // need to display 4 random products from the array above 
    foreach  {
        echo "<li>".$name . $link . $img . "</li>"
    }
}

// display these random products in my ajax tab (products.php?order=mytab)
$data['mytab'] = $productlistX;

if (isset($data[$_GET['order']])) { 
    echo $data[$_GET['order']];
} 
?>

więc, jak widzisz, mam listę i trzeba wyświetlać tylko cztery przedmioty z listy losowo.

z góry dziękuję!