$form_state->setError($element, $this->t('The provided list of styles is syntactically incorrect.'));
}
else {
- $style_names = array_map(function ($style) { return $style['name']; }, $styles_setting);
+ $style_names = array_map(function ($style) {
+ return $style['name'];
+ }, $styles_setting);
if (count($style_names) !== count(array_unique($style_names))) {
$form_state->setError($element, $this->t('Each style must have a unique label.'));
}