Accolade Posted November 5, 2012 Share Posted November 5, 2012 I am attempting to add a product to my cart using an increment. It works, however, when I add the first of any product, it gives me the following errors: Notice: Undefined index: cart in C:\wamp\www\cart.php on line 36 Notice: Undefined offset: 41 in C:\wamp\www\cart.php on line 36 Once the quantity increases above 1, there are no errors. Unsure what is going on. switch($action) { case "add": $_SESSION['cart'][$product_id]++; break; case "remove": if (isset($_SESSION['cart'][$product_id])) { $_SESSION['cart'][$product_id]--;} if($_SESSION['cart'][$product_id] == 0) unset($_SESSION['cart'][$product_id]); break; } Line 36 is: $_SESSION['cart'][$product_id]++; Link to comment https://forums.phpfreaks.com/topic/270307-notice-undefined-index-undefined-offset/ Share on other sites More sharing options...
Accolade Posted November 5, 2012 Author Share Posted November 5, 2012 Dont fret, I worked it out! Link to comment https://forums.phpfreaks.com/topic/270307-notice-undefined-index-undefined-offset/#findComment-1390295 Share on other sites More sharing options...
Scott_S Posted November 5, 2012 Share Posted November 5, 2012 tag this as "solved" please Link to comment https://forums.phpfreaks.com/topic/270307-notice-undefined-index-undefined-offset/#findComment-1390309 Share on other sites More sharing options...
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