class FormField FormField is the abstract class for all form fields.

string getUri() Returns the current URI.

setFilePath(string $path) Sets path to the file as string for simulating HTTP request.

offsetUnset(string $name) Removes a field from the form.

array each(Closure $closure)

setValue(string $value) Sets the value of the field.

remove(string $name) Removes a field and its children from the registry.

Crawler reduce(

string html() Returns the first node of the list as HTML.