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<?php $topics = [ [ "id" => 1, "statusName" => "COMPLETED", "lessons" => [ [ "id" => 1, "statusName" => "COMPLETED" ], [ "id" => 1, "statusName" => "COMPLETED" ], ] ], [ "id" => 2, "statusName" => "SCHEDULED", "lessons" => [ [ "id" => 1, "statusName" => "SCHEDULED" ], [ "id" => 1, "statusName" => "COMPLETED" ], ] ] ]; foreach ($topics as $key => $value) { $topics[$key]['lessons'] = array_map(function ($lesson) use ($value) { $lesson['reschedule'] = true; return $lesson; }, $value['lessons']); } var_dump($topics);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(3) { ["id"]=> int(1) ["statusName"]=> string(9) "COMPLETED" ["lessons"]=> array(2) { [0]=> array(3) { ["id"]=> int(1) ["statusName"]=> string(9) "COMPLETED" ["reschedule"]=> bool(true) } [1]=> array(3) { ["id"]=> int(1) ["statusName"]=> string(9) "COMPLETED" ["reschedule"]=> bool(true) } } } [1]=> array(3) { ["id"]=> int(2) ["statusName"]=> string(9) "SCHEDULED" ["lessons"]=> array(2) { [0]=> array(3) { ["id"]=> int(1) ["statusName"]=> string(9) "SCHEDULED" ["reschedule"]=> bool(true) } [1]=> array(3) { ["id"]=> int(1) ["statusName"]=> string(9) "COMPLETED" ["reschedule"]=> bool(true) } } } }

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