class Item
 {
   public function __construct()
   {
     $this->ID = 0;
     $this->Name = "";
   }
 
   // Creates an object clone.
   public function Clone(): self
   {
     $retValue = new self();
 
     $retValue->ID = $this->ID;
     $retValue->Name = $this->Name;
     return $retValue;
   } // Clone()
 
   public int $ID;
   public string $PropertyName;
 }
 
 // Populates a Data Object with values from a Data Result row.
 private static function CreateDataObject(LJCDataManager $manager)
 {
   $methodName = "CreateDataObject";
 
   $rows = $manager->Load();
   $row = $rows[0];
   $id = LJCDbAccess::GetValue($row, "ID");
   $name = LJCDbAccess::GetValue($row, "Name");
 
   // result:
   // $id = First row ID column value.
   // $name = First row Name column value.
 
   // See constructor for how to create $manager.
   $item = new Item();
   $item = $manager->CreateDataObject($item, $row);
   if (null == $item)
   {
     echo("\$item was not created.");
   }
 
   // result:
   // $item->ID = First item ID column value.
   // $item->Name = First item Name column value.
 }