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SyncSharedMemory::read	SyncSharedMemory::write

SyncSharedMemory	Last updated: Mon, 26 Oct 2026

SyncSharedMemory::size

(PECL sync >= 1.1.0)

SyncSharedMemory::size — Returns the size of the named shared memory

Description

public function SyncSharedMemory::size(): int

Retrieves the shared memory size of a SyncSharedMemory object.

Parameters

This function has no parameters.

Return Values

An integer containing the size of the shared memory. This will be the same size that was passed to the constructor.

Examples

Example #1 SyncSharedMemory::size() example

<?php
$mem = new SyncSharedMemory("AppReportName", 1024);
var_dump($mem->size());
?>

The above example will output something similar to:

int(1024)

See Also

SyncSharedMemory::__construct() - Constructs a new SyncSharedMemory object
SyncSharedMemory::write() - Copy data to named shared memory
SyncSharedMemory::read() - Copy data from named shared memory

SyncSharedMemory::read	SyncSharedMemory::write

SyncSharedMemory	Last updated: Mon, 26 Oct 2026