E-Commerce Website using PHP and MySQL || Working on cart function || Part -25

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[Error_code]

i have some think to ask
if i log 2 different account in my one laptop then what happen

[bytecraftstudio]

Ma' my ip address isn't showing

[sakshigoyal]

My code is working there is no error after clicking on add to Cart the message item is added to cart us shown but the data is not coming in the database
And while adding the same product I'm getting the same message that item is added to the cart

Please reply mam

[chinmayeeindra]

mam, when i click on add to cart button that details not stored inside the table, what can i do for this problem mam

[muhammadhamzanabeel]

Mam here i am facing this error. Kindly tell me about its solution. Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in on line 303

[edu_tamil]

$select_query ="Select * from cart_details where ip_address='$ip_address'and product_id = $get_product_id"; in this I am always getting 0 in select query variable eventhough above condition satisfied (means eventhough id exist in database else condition is displayed )Kindly help to sove it

[vanshikapatel]

Duplicate entry '5' for key 'PRIMARY' ??

[vikingsgaming]

ma' i am can't show pop up message

[isratshikder]

Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in line 324

mam plz plz give me solution for this its really urgent i am doing my final year project and i have to submit this as soon as possible