lithium\data\model\Query::alias()

public method

Get or Set a unique alias for the query or a query's relation if $relpath is set.

Parameters

  • mixed $alias

    The value of the alias to set for the passed $relpath. For getting an alias value set alias to true.
  • string $relpath

    A dotted relation name or null for identifying the query's model.

Returns

string

An alias value or null for an unexisting $relpath alias.

Source

	public function alias($alias = true, $relpath = null) {
		if ($alias === true) {
			if (!$relpath) {
				return $this->_config['alias'];
			}
			$return = array_search($relpath, $this->_paths);
			return $return ?: null;
		}

		if ($relpath === null) {
			$this->_config['alias'] = $alias;
		}

		if ($relpath === null && ($model = $this->_config['model'])) {
			$this->_models[$alias] = $model;
		}

		$relpath = (string) $relpath;
		unset($this->_paths[array_search($relpath, $this->_paths)]);

		if (!$alias && $relpath) {
			$last = strrpos($relpath, '.');
			$alias = $last ? substr($relpath, $last + 1) : $relpath;
		}

		if (isset($this->_alias[$alias])) {
			$this->_alias[$alias]++;
			$alias .= '__' . $this->_alias[$alias];
		} else {
			$this->_alias[$alias] = 1;
		}

		$this->_paths[$alias] = $relpath;
		return $alias;
	}