Cryptal.php

<?php

namespace fpoirotte;

class Cryptal
{
    public static function init()
    {
        static $inited = false;

        if ($inited) {
            return false;
        }

        $filters = array(
            'cryptal.binify'    => "\\fpoirotte\Cryptal\\Filters\\Binify",
            'cryptal.hexify'    => "\\fpoirotte\Cryptal\\Filters\\Hexify",
            'cryptal.encrypt'   => "\\fpoirotte\Cryptal\\Filters\\Crypto",
            'cryptal.decrypt'   => "\\fpoirotte\Cryptal\\Filters\\Crypto",
            'cryptal.hash'      => "\\fpoirotte\Cryptal\\Filters\\Hash",
            'cryptal.mac'       => "\\fpoirotte\Cryptal\\Filters\\Mac",
        );

        foreach ($filters as $filter => $cls) {
            if (!stream_filter_register($filter, $cls)) {
                throw new \Exception("Failed to register '$filter' stream filter");
            }
        }

        $inited = true;
        return true;
    }
}