A Set of Objects in PHP: Arrays vs. SplObjectStorage | TechnoSophos

A Set of Objects in PHP: Arrays vs. SplObjectStorage One of my projects, QueryPath, performs many tasks that require maintaining a set of unique objects. In my quest to optimize QueryPath, I have been looking into various ways of efficiently storing sets of objects in a way that provides expedient containment checks. In other words, I want a data structure that keeps a list of unique objects, and

[taketyan]

オブジェクトの集合を扱うなら, array() と spl_object_hash() の組み合わせよりも, SplObjectStorage 使う方が速いしメモリ使用量も少なくて済むよ, という話.

[koriym]

SplObjectStrage > Arrayという結果