PHP Manual
Function Reference
Process Control Extensions
Semaphore
Introduction
Installing/Configuring
Predefined Constants
Semaphore Functions
SysvMessageQueue
SysvSemaphore
SysvSharedMemory
SysvSemaphore
Shared Memory
Semaphore
PHP Manual
The SysvSharedMemory class
Introduction
A fully opaque class which replaces a
sysvshm
resource as of PHP 8.0.0.
Class synopsis
final
SysvSharedMemory