horde/ext-xxhash

xxHash hashing extension for PHP

dev-FRAMEWORK_6_0 / 3.x-dev 2026-03-29 00:00 UTC

Requires

• php: ^8.2

Requires (Dev)

• phpunit/phpunit: ^12

Provides

• ext-horde_xxhash: 3.0.0

BSD-2-Clause

• Michael Slusarz
• Ralf Lang

• performance
• hash
• hashing
• xxhash

Extension name: ext-xxhash

Supports Zend Thread Safety (ZTS): ✅

Supports non-Thread Safe mode (NTS): ✅

Supported operating systems: no restrictions

README

This extension allows for hashing via the xxHash algorithm.

Documentation for xxHash can be found at » http://code.google.com/p/xxhash/.

Purpose

This extension is maintained for educational purposes only. horde/xxhash used to tie into horde/lz4 for supporting the xxhash algorithm. Modern PHP 8 brings its own xxhash methods in core and horde/lz4 is going to be ported to this core functionality.

Making horde/xxhash compatible with latest PHP 8.x practices is a toy project and learning experience. It serves no practical purposes. I last contributed c code patches to PHP many years ago and mostly learned from Sara Golemon's seminal book on PHP Interals "Extending and Embedding PHP", published in 2006. I am also not the original author, neither of xxhash nor of horde/xxhash and in no way affiliated with the original PHP implementation.

You want to use this for some reason? Great! Let me know, I am curious!

Configration

php.ini:

extension=horde_xxhash.so

Function

• horde_xxhash — xxHash computation

horde_xxhash — xxHash computation

Description

string horde_xxhash (string $data)

xxHash computation.

Pameters

• data

  The string to hash.

Return Values

Returns the 32-bit hash value (in hexidecimal), or FALSE if an error occurred.

Examples

$hash = horde_xxhash('test');