How to remove duplicate values from an array

Question

The array in question is:

Array
(
    [0] => Array
        (
            [product_id] => 33103
            [offer_id] => 4
        )

    [1] => Array
        (
            [product_id] => 33103
            [offer_id] => 4
        )

)

Answer 1

Try this,

foreach ($items as $key => $item)
{
    for ($i = $key + 1; $i < count($items); $i++)
    {
        if ($item['product_id'] = $items[$i]['product_id'] && $item['offer_id'] == $items[$i]['offer_id'])
        {
            unset($items[$key], $items[$i]);
        }
    }

}

Here is your working demo.