shmop_read

(PHP 4 >= 4.0.4, PHP 5)

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()


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