The SyncSharedMemory class

    (PECL sync >= 1.1.0)

    Introduction

    A cross-platform, native, consistent implementation of named shared memory objects.

    Shared memory lets two separate processes communicate without the need for complex pipes or sockets. There are several integer-based shared memory implementations for PHP. Named shared memory is an alternative.

    Synchronization objects (e.g. SyncMutex) are still required to protect most uses of shared memory.

    Class synopsis

    class SyncSharedMemory {
    /* Methods */
    public __construct(string $name, int $size)
    public first(): bool
    public read(int $start = 0, int $length = ?)
    public size(): int
    public write(string $string = ?, int $start = 0)
    }

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