PHP code example of smoren / probability-selector

1. Go to this page and download the library: Download smoren/probability-selector 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/ */

smoren / probability-selector example snippets


use Smoren\ProbabilitySelector\ProbabilitySelector;

$ps = new ProbabilitySelector([
    // data     // weight  // initial usage counter
    ['first',   1,         0],
    ['second',  2,         0],
    ['third',   3,         4],
]);

foreach ($ps as $datum) {
    echo "{$datum}, ";
}
// second, second, first, second, third, third, second, first, third, second, third, third, second, first, third, ...


use Smoren\ProbabilitySelector\ProbabilitySelector;

$ps = new ProbabilitySelector([
    // data     // weight
    ['first',   1],
    ['second',  2],
]);
foreach ($ps->getIterator(6) as $datum) {
    echo "{$datum}, ";
}
// second, second, first, second, second, first

print_r($ps->export());
/*
[
    ['first',  1, 2],
    ['second', 2, 4],
]
 */


use Smoren\ProbabilitySelector\ProbabilitySelector;

$ps = new ProbabilitySelector([
    // data     // weight
    ['first',   1],
    ['second',  2],
]);
$ps->decide(); // second
$ps->decide(); // second
$ps->decide(); // first