PHP code example of slava-vishnyakov / map-reduce

1. Go to this page and download the library: Download slava-vishnyakov/map-reduce library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

slava-vishnyakov / map-reduce example snippets


use \SlavaVishnyakov\MapReduce\MapReduceMemory;

$m = new MapReduceMemory(); // or MapReduceProcess
$m->send('a', 1);
$m->send('b', 1);
$m->send('a', 2);

foreach($m->iter() as $key => $groups) {
// yields
$key = 'a', $groups = [1,2]
$key = 'b', $groups = [1]


$m = new MapReduceMemory(); // or MapReduceProcess
$m->send('a', 1);
$m->send('b', 1);
$m->send('a', 2);
$m->send('a', new stdClass);

$m->next() ==> ['a', [1, 2, new stdClass]] 
$m->next() ==> ['b', [1]]
$m->next() ==> null