shmop_size
(PHP 4 >= 4.0.4, PHP 5)
shmop_size -- Get size of shared memory block
说明
int
shmop_size ( int shmid )
shmop_size() is used to get the size, in bytes of the
shared memory block.
参数
shmid
The shared memory block identifier created by
shmop_open()
返回值
Returns an int, which represents the number of bytes the shared memory
block occupies.
范例
例 1. Getting the size of the shared memory block
<?php
$shm_size = shmop_size($shm_id);
?>
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This example will put the size of shared memory block identified by
$shm_id into $shm_size.