Inspekt\Inspekt::getAlnum PHP Method

    public static function getAlnum($value)
    {
        if (Inspekt::isArrayOrArrayObject($value)) {
            return Inspekt::walkArray($value, 'getAlnum');
        } else {
            return preg_replace('/[^[:alnum:]]/', '', $value);
        }
    }

<?php

/**
 * Demonstration of:
 * - use of static filter methods on arrays
 * - creating a cage on an arbitrary array
 * - Accessing cage param via array syntax
 */
require_once dirname(__FILE__) . "/../vendor/autoload.php";
use Inspekt\Inspekt;
$_GET['locale'] = "en_US";
$_GET['new'] = 1;
$_GET['time'] = 1246233204.5486;
$_GET['id'] = 7444632820;
$_GET['key'] = "2.Hhun0mQ4KF1BfJ_WfeBB3Q__.86400.1246320000-714446282";
$_GET['ss'] = "un4SUm022i5sZ5iIZeNYWQ__";
$_GET['somestuff'] = "i, would, like, some, milk, and__cookies--please!";
$getCage = Inspekt::makeGetCage();
echo "\n<pre>All the cage params:\n\n";
foreach ($getCage as $key => $value) {
    var_dump($key);
    var_dump($value);
    var_dump($getCage->getAlpha($key));
    echo "\n";
}
echo 'Accessing cage param via array syntax "$getCage[\'locale\']" :: ' . Inspekt::getAlnum($getCage['locale']);
echo "\n</pre>\n";