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php中文网 Courses
php中文网 Courses
Jul 5, 2021 · Backend Development

Understanding PHP Array Internals: Buckets, Hash Tables, and Packed Arrays

This article explains the internal implementation of PHP arrays, detailing the _Bucket and _zend_array structures, hash table mechanics, packed versus hash arrays, and how PHP maintains element order through an auxiliary index table.

arraysdata structureshash tables
0 likes · 7 min read
Understanding PHP Array Internals: Buckets, Hash Tables, and Packed Arrays
php中文网 Courses
php中文网 Courses
Jun 29, 2021 · Backend Development

Analyzing PHP Core: Variables and Zend Engine Structures (Part 1)

This article introduces the PHP variable system by examining the Zend Engine's source code, covering variable naming rules, value types, reference and variable variables, file extensions in the PHP source tree, and a detailed walkthrough of the zend_types.h definitions, unions, structs, and memory‑alignment considerations.

C languagebackendmemory alignment
0 likes · 32 min read
Analyzing PHP Core: Variables and Zend Engine Structures (Part 1)