gistfile1.php

<?php

/*
 * This file is part of the Predis package.
 *
 * (c) Daniele Alessandri <suppakilla@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

require 'SharedConfigurations.php';

// simple set and get scenario


function cloneOptions($options) {
    $new = clone $options;

    $refl = new ReflectionProperty($new, 'options');
    $refl->setAccessible(true);

    $inner = $refl->getValue($new);
    foreach ($inner as $k => $v) {
        if ($v) {
            $inner[$k] = clone $v;
        }
    }

    $refl->setValue($new, $inner);

    return $new;
}

function prefix($client, $prefix) {
    $options = cloneOptions($client->getOptions());
    if ($old = $options->profile->getProcessor()) {
        $prefix = $old->getPrefix() . $prefix;
    }
    $processor = new Predis\Command\Processor\KeyPrefixProcessor($prefix);
    $options->profile->setProcessor($processor);

    return new Predis\Client($client->getConnection(), $options);
}

$client = new Predis\Client($single_server);
$appClient = prefix($client, 'myapp:dev:');
$featureClient = prefix($appClient, 'feature:');

$client->get('original');
$appClient->get('prefixed');
$featureClient->get('cowbell');

/* KEYS ACCESSED
 *
 * original
 * myapp:dev:prefixed
 * myapp:dev:feature:cowbell
*/