Shared Memory Functions
PHP Manual

shmop_read

Read data from shared memory block

Description

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

shmop_read will read a string from shared memory block.

Parameters

shmid

The shared memory block identifier created by shmop_open

start

Offset from which to start reading

count

The number of bytes to read

Return Values

Returns the data or FALSE on failure.

Examples

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.

See Also

  • shmop_write