(PHP 4 >= 4.0.4, PHP 5)

shmop_size -- Get size of shared memory block


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

= shmop_size($shm_id);

This example will put the size of shared memory block identified by $shm_id into $shm_size.

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