<?php declare(strict_types=1); namespace Doctrine\ORM\Query\AST; use function strtoupper; /** * OrderByItem ::= (ResultVariable | StateFieldPathExpression) ["ASC" | "DESC"] * * @link www.doctrine-project.org */ class OrderByItem extends Node { /** @var mixed */ public $expression; /** @var string */ public $type; /** @param mixed $expression */ public function __construct($expression) { $this->expression = $expression; } /** @return bool */ public function isAsc() { return strtoupper($this->type) === 'ASC'; } /** @return bool */ public function isDesc() { return strtoupper($this->type) === 'DESC'; } /** * {@inheritdoc} */ public function dispatch($sqlWalker) { return $sqlWalker->walkOrderByItem($this); } }