shmop_size
PHP function
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(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
Get size of shared memory block
Description
shmop_size(Shmop $shmop): int
shmop_size() is used to get the size, in bytes of the shared memory block.
Parameters
shmopThe 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 |
|---|---|
| 8.0.0 | shmop expects a Shmop instance now; previously, a resource was expected. |
Examples
Getting the size of the shared memory block
php
<?php
$shm_size = shmop_size($shm_id);
?>This example will put the size of shared memory block identified by $shm_id into $shm_size.