filter(\SimpleXMLElement element,  value,  group = null, \Joomla\Registry\Registry input = null, \Joomla\CMS\Form\Form form = null) : 

since	4.0.0

Arguments

element

SimpleXMLElementThe SimpleXMLElement object representing the <field> tag for the form field object.

value

mixedThe form field value to validate.

group

stringThe field name group control value. This acts as an array container for the field. For example if the field has name="foo" and the group value is set to "bar" then the full field name would end up being "bar[foo]".

input

Registry|nullAn optional Registry object with the entire data set to validate against the entire form.

form

Form|nullThe form object for which the field is being tested.

Response

mixedThe filtered value.