public function hiddenField($key, $value=null, array $attr=[]){
		$this->context->hiddenField($key, $value, $attr);
	}
public function hiddenField($key, $value=null, array $attr=[]){
		$this->context->hiddenField($key, $value, $attr);
	}
public function hiddenField ( $ key , $ value = null , array $ attr = [ ] ) { $ this -> context -> hiddenField ( $ key , $ value , $ attr ) ; }
Add hidden field. All hiddens are placed at the beginning of the form no matter where used.

@param $value If set the value is used instead of reading from the resource.
Add hidden field . All hiddens are placed at the beginning of the form no matter where used .