preg_match() expects parameter 2 to be string, array given [hosts.php:140 ? CFrontendApiWrapper->update() ? CApiWrapper->__call() ? CFrontendApiWrapper->callMethod() ? CApiWrapper->callMethod() ? CFrontendApiWrapper->callClientMethod() ? CLocalApiClient->callMethod() ? call_user_func_array() ? CScreenItem->update() ? CScreenItem->validateUpdate() ? CScreenItem->checkSpans() ? zbx_is_int() ? preg_match() in include\func.inc.php:856]

$test = API::ScreenItem()->update([
  'screenid' => '115',
  'resourcetype' => '0',
  'caption' => '2.0.15_triggers: 3',
  'style' => '0',
  'url' => '',
  'width' => '500',
  'height' => '100',
  'halign' => '0',
  'valign' => '0',
  'colspan' => [1],
  'rowspan' => '1',
  'max_columns' => null,
  'dynamic' => 0,
  'elements' => 0,
  'sort_triggers' => 0,
  'application' => '',
  'resourceid' => '1438',
  'screenitemid' => '755'
]);