An important aspect of creating Web Form pages is to be able to validate that the information users enter is correct. Handling errors in a Web Forms is a mandatory task for any true professional. It is not a difficult job to write this on PHP or JavaScript, but writing this more than once can quickly become a tedious nightmare. VDaemon is a PHP library that grants an easy-to-use but powerful way to check for errors and, if necessary, display messages to the user. VDaemon feachures: - easily incorporate VDaemon validation into existing web sites - supports both client and server-side validation - all common types of validation (required fields, field type, range, compare, regexp, e-mail, zip codes, US phone number, date and time, custom) - allows to construct full value logical expressions from the validation rules. It gives possibility to create a conditional validation. - allows you to completely customize how error information is displayed to the user - and more ...
