I want a function where the admin will input a number to be added to an already existing balance.
40 freelancer chào giá trung bình$28 cho công việc này
Hello sir, I've read your description carefully and I'm very interested in your project. If you give me task, I will deliver the best result for a few hours. I would like to discuss this task further with you. Thanks
Hello I can ad the subtraction function quickly in a few minutes. I have more than 10 years of experience in web development in PHP and Laravel Kind Regards,