存储组件¶

<?php

namespace MyApp\Storage\Serializer;

use Phalcon\Storage\SerializerInterface;

class Garble implements SerializerInterface
{
    /**
     * Data storage
     * 
     * @var string
     */
    private $data = '';

    /**
     * Return the stored data
     * 
     * @return string
     */
    public function getData(): string
    {
        return $this->data;
    }       

    /**
     * Serializes data
     */
    public function serialize(): string
    {
        return rot13($this->data);
    }

    /**
     * Set the data
     * 
     * @var Garble
     *
     * @return Garble
     */
    public function setData($data): Garble
    {
        $this->data = (string) $data;

        return $this;
    }       

    /**
     * Unserializes data
     */
    public function unserialize($data): void
    {
        $this->data = str_rot13($data);
    }
}

<?php

namespace MyApp;

use MyApp\Storage\Serializer\Garble;

$data = 'I came, I saw, I conquered.';
$garble = new Garble();

$garble
    ->setData($data)
    ->serialize()  
;

echo $garble->getData(); // "V pnzr, V fnj, V pbadhrerq."

$encrypted = 'V pnzr, V fnj, V pbadhrerq.';

$garble->unserialize($encrypted);

echo $garble->getData(); // "I came, I saw, I conquered."

<?php

use Phalcon\Storage\Serializer\Json; 
use Phalcon\Storage\SerializerFactory;

$jsonSerializer = new Json();

$factory        = new SerializerFactory();
$jsonSerializer = $factory->newInstance('json');

<?php

use Phalcon\Storage\Adapter\Apcu;
use Phalcon\Storage\SerializerFactory;

$serializerFactory = new SerializerFactory();

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
];

$adapter = new Apcu($serializerFactory, $options);

<?php

use Phalcon\Storage\Adapter\Libmemcached;
use Phalcon\Storage\SerializerFactory;

$serializerFactory = new SerializerFactory();

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
    'servers'           => [
        0 => [
            'host'   => '10.4.13.100',
            'port'   => 11211,
            'weight' => 1,
        ],
        1 => [
            'host'   => '10.4.13.110',
            'port'   => 11211,
            'weight' => 5,
        ],
    ],
];

$adapter = new Libmemcached($serializerFactory, $options);

<?php

use Phalcon\Storage\Adapter\Memory;
use Phalcon\Storage\SerializerFactory;

$serializerFactory = new SerializerFactory();

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
];

$adapter = new Memory($serializerFactory, $options);

<?php

use Phalcon\Storage\Adapter\Redis;
use Phalcon\Storage\SerializerFactory;

$serializerFactory = new SerializerFactory();

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
    'host'              => '10.4.13.100',
    'port'              => 6379,
    'index'             => 1,
];

$adapter = new Redis($serializerFactory, $options);

$storage->getAdapter()->setOption(\Redis::OPT_SERIALIZER, \Redis::SERIALIZER_NONE);

$storage->delete('my-key');
$storage->increment('my-key', 2);
echo $storage->get('my-key');      // 2
$storage->increment('my-key', 3);
echo $storage->get('my-key');      // 3

<?php

use Phalcon\Storage\Adapter\Stream;
use Phalcon\Storage\SerializerFactory;

$serializerFactory = new SerializerFactory();

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
    'storageDir'        => '/data/storage',
];

$adapter = new Stream($serializerFactory, $options);

<?php

namespace MyApp\Storage\Adapter;

use Phalcon\Storage\Adapter\AdapterInterface;

class Custom implements AdapterInterface
{
    /**
     * Flushes/clears the cache
     */
    public function clear(): bool
    {
        // Custom implementation
    }

    /**
     * Decrements a stored number
     */
    public function decrement(string $key, int $value = 1)
    {
        // Custom implementation
    }

    /**
     * Deletes data from the adapter
     */
    public function delete(string $key): bool
    {
        // Custom implementation
    }

    /**
     * Reads data from the adapter
     */
    public function get(string $key)
    {
        // Custom implementation
    }

    /**
     * Returns the already connected adapter or connects to the backend server(s)
     */
    public function getAdapter()
    {
        // Custom implementation
    }

    /**
     * Returns all the keys stored. If a filter has been passed the 
     * keys that match the filter will be returned
     */
    public function getKeys(string $prefix = ""): array
    {
        // Custom implementation
    }

    /**
     * Returns the prefix for the keys
     */
    public function getPrefix(): string
    {
        // Custom implementation
    }

    /**
     * Checks if an element exists in the cache
     */
    public function has(string $key): bool
    {
        // Custom implementation
    }

    /**
     * Increments a stored number
     */
    public function increment(string $key, int $value = 1)
    {
        // Custom implementation
    }

    /**
     * Stores data in the adapter
     */
    public function set(string $key, $value, $ttl = null): bool
    {
        // Custom implementation
    }
}

<?php

namespace MyApp;

use MyApp\Storage\Adapter\Custom;

$custom = new Custom();

$custom->set('my-key', $data);

<?php

use Phalcon\Storage\Adapter\Apcu;
use Phalcon\Storage\Serializer\Json;

$jsonSerializer = new Json();

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
    'serializer'        => $jsonSerializer,
];

$adapter = new Apcu(null, $options);

<?php

use Phalcon\Storage\AdapterFactory;
use Phalcon\Storage\SerializerFactory;

$serializerFactory = new SerializerFactory();
$adapterFactory    = new AdapterFactory($serializerFactory);

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
];

$adapter = $adapterFactory->newInstance('apcu', $options);