<?php
require 'vendor/autoload.php';
Predis\Autoloader::register();
$client = new Predis\Client(array('host' => '127.0.0.1', 'port' => 6379), array('prefix' => 'php:'));
$client->set("string:my_key", "Hello World");
$client->get("string:my_key");
# "Hello World"
$client->incr("string:counter");
$client->mget(array("string:my_key", "string:counter"));
# array('Hello World', '2')
$client->rpush("list:my_list", "item1", "item2");
$client->lpop("list:my_list");
# 'item1'
$client->hset("set:redis_book", "title", "Redis Essentials");
$client->hgetall("set:redis_book");
# array('title' => 'Redis Essentials')
$client->sadd("set:users", "alice", "bob");
$client->smembers("set:users");
# array('bob', 'alice')
$client->zadd("sorted_set:programmers", 1940, "Alan Kay");
$client->zadd("sorted_set:programmers", 1912, "Alan Turing");
$client->zrange("sorted_set:programmers", 0, -1, "withscores");
# array('Alan Turing' => 1912, 'Alan Kay' => 1940)
public function testGetApc()
{
$redis = new \Predis\Client(array("scheme" => "tcp", "host" => 'localhost', "port" => 6379));
$client = new LDClient("BOGUS_API_KEY", array('feature_requester_class' => '\\LaunchDarkly\\ApcLDDFeatureRequester', 'apc_expiration' => 1));
$builder = new LDUserBuilder(3);
$user = $builder->build();
$redis->del("launchdarkly:features");
$this->assertEquals("jim", $client->toggle('foo', $user, 'jim'));
$redis->hset("launchdarkly:features", 'foo', $this->gen_feature("foo", "bar"));
$this->assertEquals("bar", $client->toggle('foo', $user, 'jim'));
# cached value so not updated
$redis->hset("launchdarkly:features", 'foo', $this->gen_feature("foo", "baz"));
$this->assertEquals("bar", $client->toggle('foo', $user, 'jim'));
apc_delete("launchdarkly:features.foo");
$this->assertEquals("baz", $client->toggle('foo', $user, 'jim'));
}
} else {
if ($loggedin) {
require './blog/wp-blog-header.php';
$msg = 'not cached';
// cache the page
} else {
// turn on output buffering
ob_start();
require './blog/wp-blog-header.php';
// get contents of output buffer
$html = ob_get_contents();
// clean output buffer
ob_end_clean();
echo $html;
// store html contents to redis cache
$redis->hset($dkey, $ukey, $html);
$msg = 'cache is set';
}
}
}
}
$end = microtime();
// get end execution time
// show messages if debug is enabled
if ($debug) {
echo $msg . ': ';
echo t_exec($start, $end);
}
// time diff
function t_exec($start, $end)
{
// - ZSCAN (iterates over members and ranks of a sorted set)
// - HSCAN (iterates over fields and values of an hash).
// Predis provides a specialized abstraction for each command based on standard
// SPL iterators making it possible to easily consume SCAN-based iterations in
// your PHP code.
//
// See http://redis.io/commands/scan for more details.
//
// Create a client using `2.8` as a server profile (needs Redis 2.8!)
$client = new Predis\Client($single_server, array('profile' => '2.8'));
// Prepare some keys for our example
$client->del('predis:set', 'predis:zset', 'predis:hash');
for ($i = 0; $i < 5; $i++) {
$client->sadd('predis:set', "member:{$i}");
$client->zadd('predis:zset', -$i, "member:{$i}");
$client->hset('predis:hash', "field:{$i}", "value:{$i}");
}
// === Keyspace iterator based on SCAN ===
echo 'Scan the keyspace matching only our prefixed keys:', PHP_EOL;
foreach (new Iterator\Keyspace($client, 'predis:*') as $key) {
echo " - {$key}", PHP_EOL;
}
/* OUTPUT
Scan the keyspace matching only our prefixed keys:
- predis:zset
- predis:set
- predis:hash
*/
// === Set iterator based on SSCAN ===
echo 'Scan members of `predis:set`:', PHP_EOL;
foreach (new Iterator\SetKey($client, 'predis:set') as $member) {
$start_time = time();
// Continue looping as long as we don't go past the time limit
while (time() < $start_time + $time_limit) {
/* ... perorm BLPOP command ... */
/* ... process jobs when received ... */
}
/* ... will quit once the time limit has been reached ... */
/*
* Assigning Worker IDs & Monitoring
*
* Usage: php worker.php 1
*/
// Gets the worker ID from the command line argument
$worker_id = $argv[1];
// Setting the Worker's Status
$predis->hset('worker.status', $worker_id, 'Started');
// Set the last time this worker checked in, use this to
// help determine when scripts die
$predis->hset('worker.status.last_time', $worker_id, time());
/*
* Using Versions to Check for Reloads
*/
$version = $predis->get('worker.version');
// i.e. number: 6
while (time() < $start_time + $time_limit) {
/* ... check for jobs and process them ... */
/* ... then, at the very end of the while ... */
if ($predis->get('worker.version') != $version) {
echo "New Version Detected... \n";
echo "Reloading... \n";
exit;
<?php
/*
* Worker That will Process "Jobs"
*/
$worker_id = $argv[1];
if (!$worker_id) {
$worker_id = rand(100, 999);
}
echo "Worker [{$worker_id}] Starting...\n";
require 'config.php';
echo "Connected to Redis Server \n";
$predis = new Predis\Client(array('scheme' => 'tcp', 'host' => REDIS_HOST, 'port' => REDIS_PORT));
// Setting the Worker's Status
$predis->hset('worker.status', $worker_id, 'Started');
$predis->hset('worker.status.last_time', $worker_id, time());
// Set the time limit for php to 0 seconds
set_time_limit(0);
/*
* We'll set our base time, which is one hour (in seconds).
* Once we have our base time, we'll add anywhere between 0
* to 10 minutes randomly, so all workers won't quick at the
* same time.
*/
$time_limit = 60 * 60 * 1;
// Minimum of 1 hour
$time_limit += rand(0, 60 * 10);
// Adding additional time
// Set the start time
$start_time = time();
echo "\tWaiting for a Job .";
