如何：将 Laravel 集合折叠成逗号分隔的字符串？

Question

如何：将 Laravel 集合折叠成逗号分隔的字符串？dd($ids);Illuminate\Support\Collection {#538 ▼  #items: array:463 [▼    0 => 30578786410269    1 => 30578326028621    2 => 30788548304669    3 => 30788548607437    4 => 30788592370221    5 => 30788592672989    6 => 30788592975757    7 => 30492511411997      ]}我如何把它变成一个像这样的字符串？：30578786410269,30578326028621,30788548304669,30788548607437,30788592370221,30788592672989,30788592975757,30492511411997

Answer 1

使用提供的implode方法Illuminate\Support\Collection：

$imploded = $collection->implode(',');

Answer 2

您可以使用implode()

$data = $collection->implode(',');   // returns string

或者您可以转换collection为array

$data = $collection->toArray();     // returns array