#isvalid

The IsEmpty function is a developer favorite, as is its opposite, Not IsEmpty.  Quite often a developer will test a field for any content to ascertain the status of a record:  someone who has responded, or it active in an organization, for example.

IsEmpty IsEmpty( field) FMP Version: All Current Versions Of FileMaker

This function checks to see if a specified field is empty or not. If the field…

Did you ever wonder, how can I add a css class 'error' to my form elements when the data is invalid?

Today I wrote a little snippet to deal with this problem in a very easy way. Instead of dealing with decorators and what not..

The only thing we want is to add a css class to every element that appears to be invalid, right? Then lets make that happen.

1) Make sure you Form doesn't extend Zend_Form but for example My_Form, which extends Zend_Form.

2) Override the isValid function to add a css class to every invalid Form Element using the code below.