mysql中each( use () {})

查询语句->each(function ($item, $key) use (&$events) {
    $events[] = [
        "attachment" => $item->screenpath,
        "black_url" => $item->blackurl,
        "dip" => null
    ];
});

原文：https://www.cnblogs.com/L-moye/p/11157021.html