Description
void 
shmop_close ( int shmid )
     shmop_close() is used to close a shared memory block.
    
     shmop_close() takes the shmid, which is the shared memory
     block identifier created by shmop_open().
    
     
Example 1. Closing shared memory block 
<?php shmop_close($shm_id); ?>
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     This example will close shared memory block identified by $shm_id.