php man page for shmop_size

SHMOP_SIZE(3)								 1							     SHMOP_SIZE(3)

shmop_size - Get size of shared memory block

SYNOPSIS
       int shmop_size (int  $shmid)

DESCRIPTION
       shmop_size(3) is used to get the size, in bytes of the shared memory block.

PARAMETERS
	      o $shmid
		- The shared memory block identifier created by shmop_open(3)

RETURN VALUES
	Returns an int, which represents the number of bytes the shared memory block occupies.

EXAMPLES
       Example #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.

PHP Documentation Group 													     SHMOP_SIZE(3)