97      * @param Element $element
101     public function getElementPosition(Element $element)  argument
103         return array_search($element, $this->elements, true);
166      * @param Element $element
170     public function addElement(Element $element, $pos = -1)  argument
172         if (is_a($element, '\dokuwiki\Form\Form')) throw new \InvalidArgumentException(
176             $this->elements[] = $element;
178             array_splice($this->elements, $pos, 0, [$element]);
180         return $element;
186      * @param Element $element the new element
189     public function replaceElement(Element $element, $pos)  argument
191         if (is_a($element, '\dokuwiki\Form\Form')) throw new \InvalidArgumentException(
194         array_splice($this->elements, $pos, 1, [$element]);
339         $element = new LabelElement($content);
347             $element->attr('for', $for);
350         return $this->addElement($element, $pos);
491         foreach ($this->elements as $element) {
492             $html .= $element->toHTML();