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(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
shmop_size — Get size of shared memory block
shmop_size() is used to get the size, in bytes of the shared memory block.
Returns an int, which represents the number of bytes the shared memory block occupies.
| 版本 | 说明 |
|---|---|
| 8.0.0 |
shmop expects a Shmop
instance now; previously, a resource was expected.
|
示例 #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.
