README

实现 PSR-6 和 PSR-16 接口的缓存库，用于多个常见的缓存后端

缓存后端

• Apcu
• Memcached
• Redis
• Null - 无持久化

基本用法（SimpleCache/PSR-16）

<?php
// $config is the configuration array
// $logger is an optional psr/log compatible logger
$cache = new Aviat\Banker\Teller($config, $logger);

// Get a value from the cache, returning $defaultValue
// if the value doesn't exist in the cache
$value = $cache->get($key, $defaultValue);

// Save a new value at the specified key
$saved = $cache->set($key, 'newValue');

基本用法（Pool/PSR-6）

<?php
// Create the pool
// $config is the configuration array
// $logger is an optional psr/log compatible logger
$pool = new Aviat\Banker\Pool($config, $logger);

// Grab an item from the cache
$item = $pool->getItem('foo');

// Was there a cache hit?
if ( ! $item->isHit())
{
	// ... Generation of value to cache
	$item->set($value);
	$item->save();
}
else
{
	$value = $item->get();
}

配置 / 连接数组

传递给 Pool 类构造函数的配置数组决定了要连接到哪个服务器。无论后端是什么，基本结构如下

<?php
$config = [
	'driver' => 'null', // null, apcu, redis, memcached
	'connection' => [
		// Optional (For some drivers):
		// driver setup, see below for the structure for each
		// driver
	],
	'options' => [
		// Optional:
		// Set additional driver-specific options, like persistence for
		// Memcached, or a prefix for Redis keys
	]
];

以下是每个后端的连接数组

Memcached

<?php
$config['connection'] = [
	'host' => 'localhost', // hostname or socket
	'port' => 11211,       // Port needs to be 0 if socket
	'persistent' => false, // Use persistent connection
];

Redis：请参阅 Predis 文档。空数组将连接到本地主机上的端口 6379。

Null, Apcu：无连接参数