shmop_read
shmop_read
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
shmop_read — Read data from shared memory block
Description
string shmop_read ( resource $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() - Write data into shared memory block
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.shmop-read.php
