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<?php /*Привет подскажите пожалуйста. У меня есть массив*/ $arr = [ ["id" => 1, "parent_id" => "", "name" => "a"], ["id" => 2, "parent_id" => "3", "name" => "b"], ["id" => 3, "parent_id" => "5", "name" => "c"], ]; //как мне отсортировать массив чтобы получилось так: usort($arr, function ($a, $b) { return $a["name"] <=> $b["name"]; }); print_r ($arr);
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