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A succinct parallel concurrency API for PHP 8

Package info

github.com/krakjoe/parallel

Language:C

Type:php-ext

Ext name:ext-parallel

pkg:composer/pecl/parallel

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Statistics

Installs: 6 663

Dependents: 0

Suggesters: 0

Stars: 1 595

Open Issues: 9

v1.2.15 2026-06-21 17:03 UTC

Requires

  • php: >= 8.0.0

Requires (Dev)

None

Suggests

None

Provides

None

Conflicts

None

Replaces

None

PHP-3.01 f62fab1225f687de60d789002c9b49467d3e04de

Published on Packagist.org on 2026-06-23 13:29 UTC

Extension name: ext-parallel

Supports Zend Thread Safety (ZTS): ✅

Supports non-Thread Safe mode (NTS): ❌

Supported operating systems: no restrictions

Configure flags:

  • --enable-parallel Enable parallel support
  • --enable-parallel-dev Enable parallel developer flags
  • --enable-parallel-address-sanitizer Enable address sanitizer flags for parallel
  • --enable-parallel-gcov Enable gcov for parallel

This package is not auto-updated.

Last update: 2026-09-15 14:37:16 UTC

README

Linux AddressSanitizer Windows Coverage Status

A succinct parallel concurrency API for PHP 8

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Documentation

Documentation can be found in the PHP manual: https://php.net/parallel

Requirements and Installation

See INSTALL.md

Hello World

<?php
$runtime = new \parallel\Runtime();

$future = $runtime->run(function(){
    for ($i = 0; $i < 500; $i++)
        echo "*";

    return "easy";
});

for ($i = 0; $i < 500; $i++) {
    echo ".";
}

printf("\nUsing \\parallel\\Runtime is %s\n", $future->value());

This may output something like (output abbreviated):

.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*
Using \parallel\Runtime is easy

Development

See CONTRIBUTING.md for guidelines on contribution and development (and debugging).