getId() public method

public getId ( )
 private static function writeShapelessRecipe(ShapelessRecipe $recipe, BinaryStream $stream)
 {
     $stream->putInt($recipe->getIngredientCount());
     foreach ($recipe->getIngredientList() as $item) {
         $stream->putSlot($item);
     }
     $stream->putInt(1);
     $stream->putSlot($recipe->getResult());
     $stream->putUUID($recipe->getId());
     return CraftingDataPacket::ENTRY_SHAPELESS;
 }
 /**
  * @param ShapelessRecipe $recipe
  */
 public function registerShapelessRecipe(ShapelessRecipe $recipe)
 {
     $result = $recipe->getResult();
     $this->recipes[$recipe->getId()->toBinary()] = $recipe;
     $hash = "";
     $ingredients = $recipe->getIngredientList();
     usort($ingredients, [$this, "sort"]);
     foreach ($ingredients as $item) {
         $hash .= $item->getId() . ":" . ($item->getDamage() === null ? "?" : $item->getDamage()) . "x" . $item->getCount() . ",";
     }
     $this->recipeLookup[$result->getId() . ":" . $result->getDamage()][$hash] = $recipe;
 }