Allowed memory size of 134217728 bytes exhausted (tried to allocate 2097152 bytes)

/*
 * 传入当前栏目id，获取顶级分类*/
if ( ! function_exists('GetTopid')){
    function GetTopid($cate,$id){
        static $arr = '';
        foreach ($cate as $v){
            if ($v['id'] == $id){
                $arr = $v['id'];
                GetTopid($cate,$v['pid']);
            }
        }
        return $arr;
    }
}

/*
 * 传入当前栏目id，获取上级分类ID*/
if ( ! function_exists('Getpid')){