PHP Form Validation Tutorial
Client-side form validations help in giving immediate feedback to the user. It is also required to add server side form validation in your form processing script. The user can disable Javascript on their server or even auto-bots might try to submit your form as well. The server side form validations help keeping the form submission data consistent. The validations also help in lesser server side errors. For example, if you have set length limit in the database for a text input, it is better to do the validation before it actually gets cut off by the database system or even getting an error thrown.
PHP Form Validation Script
It is very essential to have the input to your form validated before taking the form submission data for further processing. When there are many fields in the form, the PHP validation script becomes too complex. Moreover, since you are doing the same or similar validation for most of the forms that you make, just too much of duplicate effort is spent on form validations. About this generic PHP form validation script This generic PHP form validator script makes it very easy to add validations to your form.