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shmop_read -- Read data from shared memory block


string shmop_read (int shmid, int start, int count)

shmop_read() will read a string from shared memory block.

shmop_read() takes 3 parameters: shmid, which is the shared memory block identifier created by shmop_open(), offset from which to start reading and count on the number of bytes to read.

Example 1. Reading shared memory block

<?php $shm_data = shmop_read($shm_id, 0, 50); ?>       

This example will read 50 bytes from shared memory block and place the data inside $shm_data.