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PHP shmop_size

PHP original manual for shmop_size [ show | php.net ]

shmop_size

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

shmop_size — Get size of shared memory block

Description

int shmop_size ( resource $shmid )

shmop_size() is used to get the size, in bytes of the shared memory block.

Parameters

shmid

The shared memory block identifier created by shmop_open()

Return Values

Returns an int, which represents the number of bytes the shared memory block occupies.

Changelog

Version Description
7.0.0 The type of shmid has been changed from int to resource.

Examples

Example #1 Getting the size of the shared memory block

<?php
$shm_size = shmop_size($shm_id);
?>

This example will put the size of shared memory block identified by $shm_id into $shm_size.