配列はどう実装されているのか？ - チキン煮込みチーズミックス４辛翻訳その1． 元ネタ：http://stackoverflow.com/questions/247467/how-are-associative-arrays-implemented-in-php （その魚拓） 質問 Can someone explain how PHP implements associative arrays? What underlying data structure does PHP use? Does PHP hash the key and store it in some kind of hash map? I am curious because I was wondering what the performance of associative arrays where when inserting and searching for keys. a
