shmop_size
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 id
entified by $shm
_
id
into $shm
_
size
.
← shmop_read
shmop_write →
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