each() 用于迭代集合中的每个元素
- $collection = collect(['one', 'two', 'three', 'four']);
- $data = [];
- $collection->each(function($item, $key) use(&$data) {
- // 满足条件则 停止迭代
- if($item == 'three' || $key == 2) {
- return false;
- }
- $data[] = $item;
- });
- return $data; // ["one","two"]
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