Posts Tagged ‘data validation’

PHP Form Data Validation Tips

February 7th, 2011 Leave a comment 2 comments
PHP Form Data Validation Tips

A common web task in web application development is to validate data input by a user. This is usually done to ensure that the type of data entered matches the expected data types for an underlying database. It is also a good security practice to limit the data that a web based form will accept. While it is common in web 2.0 applications to use client side code such as Javascript to validate form fields, this should not be relied on for a number of reasons. Some users disable Javascript so you want to provide a working… View full post »