In this chapter, we will provide an overview of standard filters that can be used with your web forms. A filter is a class which takes some input data, processes it, and produces some output data. We will also show how to write a custom filter.
In general, you can even use filters outside forms to process an arbitrary data. For example, filters may be used in a controller action to transform the data passed as GET and/or POST variables to certain format.
ZF3 components covered in this chapter:
||Contains various filters classes.|
||Implements a container for filters/validators.|