Description
int shmop_size
(int shmid)
shmop_size() is used to get the size, in bytes of the shared memory block.
shmop_size() takes the shmid, which is the shared memory block identifier created by shmop_open(), the function will return and int, which represents the number of bytes the shared memory block occupies.
Example 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.