Db::parseJoin PHP Method

Db Class Documentation Show file Open project: medz/thinksns-4

parseJoin() protected method

join分析

protected parseJoin ( mixed $join ) : string
$join	mixed
return	string

    protected function parseJoin($join)
    {
        $joinStr = '';
        if (!empty($join)) {
            if (is_array($join)) {
                foreach ($join as $key => $_join) {
                    if (false !== stripos($_join, 'JOIN')) {
                        $joinStr .= ' ' . $_join;
                    } else {
                        $joinStr .= ' LEFT JOIN ' . $_join;
                    }
                }
            } else {
                $joinStr .= ' LEFT JOIN ' . $join;
            }
        }
        return $joinStr;
    }