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=====================
Adapter Configuration
=====================

Note that the config keys for the Solar_Cache class are logically separate
from the config keys for its adapter classes. This means you can configure the
Solar_Cache, Solar_Cache_Adapter_File, Solar_Cache_Adapter_Memcache, and all
the other adapter classes separately within the config file, and Solar will use
those options respective to each separate adapter class.

For example, you can do this in your config file...

{{code: php
    $config = array();

    $config['Solar_Cache_Adapter_File'] => array(
        'path' => '/tmp/Solar_Cache',
        'life' => 1800,
    );
    
    $cache['Solar_Cache_Adapter_Memcache'] => array(
        'life' => 300,
    )
    
    return $config;
}}

... and then instantiate a cache with just one call (because
the config file already has the options defined for you) like this:

{{code: php
    require_once 'Solar.php';
    Solar::start('/path/to/config/Solar.config.php');

    // create a cache object using the file adapter
    $file_cache = Solar::factory('Solar_Cache', array(
        'adapter' => 'Solar_Cache_Adapter_File'
    ));
    
    // create a separate cache object using the memcache adapter
    $mem_cache = Solar::factory('Solar_Cache', array(
        'adapter' => 'Solar_Cache_Adapter_Memcache'
    ));
}}
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