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.
← shmop_read
shmop_write →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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