PHP Classes

ipcContainer: Share variables between tasks with shared memory

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ipc-container 1.0Public Domain5.0PHP 5, Language
Description 

Author

Matthew Knowlton

This class can share variables between tasks with shared memory.

It can attach to a given shared memory segment so it can store and retrieve values to be shared with other processes that access the memory segment with the same key.

Assigning variable values to the class variables will make it store the values in an associative array to be stored in the attached shared memory segment.

Likewise, retrieving variables of the class will retrieve values with the same index name from the array stored in the share memory segment.

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Example

<?php
require_once('ipcContainer.class.php');

//open two shared memory slots
$container1 = new ipcContainer('1234');
$container2 = new ipcContainer('4321');

//opening a pointer to the same ipcContainer as container2
//for testing purposes
$container3 = new ipcContainer('4321');

//write variable "test" differently into each slot
$container1->test = array('hello' => 'world');
$container2->test = 'hello world';
//this data is immediately available on any other process or any other container with the same id
//and can be immediately overwritten by another container with the same id
$container3->test = 'Goodbye planet!!!';

//show the stored data
//container1 will print the ['hello' => 'world']
echo '$container1 variable test set to '.print_r($container1->test,true).";<br/>";

//container2 will print 'Goodbye planet!!!'
//because it is accessing the same ipcContainer as container3
echo '$container2 variable test set to '.print_r($container2->test,true).";<br/>";
echo '$container3 variable test set to '.print_r($container3->test,true).";<br/>";
?>


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Plain text file ipcContainer.class.php Class Class Source
Accessible without login Plain text file ipcContainer.example1.php Example Example Script
Accessible without login Plain text file ipcContainer.example2.php Example Example Script

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