Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<SysvSemaphoreShared Memory>
^SemaphoreLast updated: Mon, 26 Oct 2026

The SysvSharedMemory class

(PHP 8)

Introduction

A fully opaque class which replaces a sysvshm resource as of PHP 8.0.0.

Class synopsis

final class SysvSharedMemory {
}

<SysvSemaphoreShared Memory>
^SemaphoreLast updated: Mon, 26 Oct 2026