: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Nextend\Framework\Form\Element;
use Nextend\Framework\Asset\Js\Js;
use Nextend\Framework\ResourceTranslator\ResourceTranslator;
use Nextend\Framework\Style\StyleManager;
use Nextend\Framework\Style\StyleParser;
use Nextend\Framework\View\Html;
class Style extends AbstractFieldHidden {
protected function addScript() {
StyleManager::enqueue($this->getForm());
$preview = preg_replace_callback('/url\(\'(.*?)\'\)/', array(
Js::addInline('new _N2.FormElementStyle("' . $this->fieldID . '", {
mode: "' . $this->mode . '",
label: "' . $this->label . '",
font: "' . $this->font . '",
font2: "' . $this->font2 . '",
style2: "' . $this->style2 . '",
preview: ' . json_encode($preview) . '
protected function fetchElement() {
return Html::tag('div', array(
'class' => 'n2_field_style'
), n2_('Style') . parent::fetchElement());
public function fixPreviewImages($matches) {
return "url(" . ResourceTranslator::toUrl($matches[1]) . ")";
public function getValue() {
return StyleParser::parse(parent::getValue());
public function setMode($mode) {
public function setFont($font) {
public function setFont2($font2) {
public function setStyle2($style2) {
public function setPreview($preview) {
$this->preview = $preview;
public function setCss($css) {