POS System in PHP Part 4: Create Admin/Staff & Insert data into DB and fetch data from DB in PHP 

how to get that formula? Is it virtual?

Good job .. but when i use the require of the fucntion.php in the header.php the app start crashing .. i tried everything checked the path , replaced require by include but still the same thing it always crashes

I am facing the problem Fatal error: uncaught mysqli_sql_exception error syntax on function.php:89 also on admins.php getAll('admins') can't get the return data to the admins.php. I already check the code many time they all are correct.

Please which php version are you using?

Excelente, Funda Of Web It? Muito obrigado.

How can I open the function.php file by clicking on the function in the code? Which add-on to install? please...

Hello, using POST METHOD isn’t working. Redirects me to the code.php page. Kindly help me.

I faced an error in code.php and function.php , in code.php it was my typo and at function.php chatgpt regenerated the whole code when I explained my problem while showing my code of this 2 pages

When i click the Save button i am getting a Localhost error 500, any help pls?

Can you add source code please