shmop_read

( PHP 4 = 4.0.4 )

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 .

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 .

Ejemplo 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 .