preProcessBackendLayoutPageUid() public method

Preprocesses the page id used to detect the backend layout record
public preProcessBackendLayoutPageUid ( integer &$id ) : void
$id integer Starting page id when parsing the rootline
return void
 /**
  * Gets the selected backend layout
  *
  * @param integer $id
  * @return array|NULL $backendLayout
  */
 public function getSelectedBackendLayout($id)
 {
     $this->backendLayout->preProcessBackendLayoutPageUid($id);
     $backendLayout = parent::getSelectedBackendLayout($id);
     $this->backendLayout->postProcessBackendLayout($id, $backendLayout);
     return array('__config' => $backendLayout['__config'], '__items' => $backendLayout['__items'], '__colPosList' => $backendLayout['__colPosList']);
 }
 /**
  * @return void
  */
 public function testPreProcessBackendLayoutPageUidPerformsNoOperation()
 {
     $id = 1;
     $instance = new BackendLayout();
     $instance->preProcessBackendLayoutPageUid($id);
     $this->assertEquals(1, $id);
 }