The SyncSharedMemory class

(PECL sync >= 1.1.0)

Вступ

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.

Короткий огляд класу

class SyncSharedMemory {

/* Методи */

public function __construct(string $name, int $size)

public function first(): bool

public function read(int $start = 0, int $length = ?)

public function size(): int

public function write(string $string = ?, int $start = 0)

}

Зміст

SyncSharedMemory::__construct — Constructs a new SyncSharedMemory object
SyncSharedMemory::first — Check to see if the object is the first instance system-wide of named shared memory
SyncSharedMemory::read — Copy data from named shared memory
SyncSharedMemory::size — Returns the size of the named shared memory
SyncSharedMemory::write — Copy data to named shared memory

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