Forms are common in most all web applications, since we need them so a user can interact with the application.
They do this by submitting data through the form so that we can manipulate it as needed and perhaps store it to a datastore.
After submitting the form, we will validate the fields with php and show error messages if there are some errors. The text input is a single line input accepting any normal text characters, but not linebreaks.
= '' ) In this code, we have a different error message variable for each product. This is another example of how Webers think about productivity.
After checking each individual form field, we need an . This approach – accumulating error messages in a variable – makes it easier to make those changes.
So, we need to always filter and validate the user entered before storing it in application’s database.
In this article, we will learn how to perform basic validation of form in php.