Understanding PHP7 HashTable Implementation
HashTable in PHP7
PHP's array type is built on top of HashTable—a data structure that powers not only user-space arrays but also internal mechanisms like function tables, class registries, constants, and the global symbol table.
HashTable provides O(1) average lookup time by computing a direct mapping from keys to memory locations through a has ...
Posted on Mon, 07 Sep 2026 16:25:44 +0000 by kristian_gl