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* stop using global $cache variable, use Singleton pattern instead

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slawkens
2018-06-03 17:09:21 +02:00
parent 45a387000d
commit fb1b9fea09
10 changed files with 99 additions and 61 deletions
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105
system/libs/cache.php
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@@ -14,53 +14,72 @@ class Cache
{
static private $instance;
static public function getInstance($engine = '', $prefix = '')
/**
* @return Cache
*/
public static function getInstance()
{
if(config('env') === 'dev') {
return new self();
}
if(!self::$instance) {
switch(strtolower($engine)) {
case 'apc':
require 'cache_apc.php';
self::$instance = new Cache_APC($prefix);
break;
case 'apcu':
require 'cache_apcu.php';
self::$instance = new Cache_APCu($prefix);
break;
case 'eaccelerator':
require 'cache_eaccelerator.php';
self::$instance = new Cache_eAccelerator($prefix);
break;
case 'xcache':
require 'cache_xcache.php';
self::$instance = new Cache_XCache($prefix);
break;
case 'file':
require 'cache_file.php';
self::$instance = new Cache_File($prefix, CACHE);
break;
case 'auto':
self::$instance = self::getInstance(self::detect(), $prefix);
break;
default:
self::$instance = new self();
break;
}
if (!self::$instance) {
return self::generateInstance(config('cache_engine'), config('cache_prefix'));
}
return self::$instance;
}
static public function detect()
/**
* @param string $engine
* @param string $prefix
* @return Cache
*/
public static function generateInstance($engine = '', $prefix = '')
{
if(config('env') === 'dev') {
self::$instance = new self();
return self::$instance;
}
switch(strtolower($engine)) {
case 'apc':
require 'cache_apc.php';
self::$instance = new Cache_APC($prefix);
break;
case 'apcu':
require 'cache_apcu.php';
self::$instance = new Cache_APCu($prefix);
break;
case 'eaccelerator':
require 'cache_eaccelerator.php';
self::$instance = new Cache_eAccelerator($prefix);
break;
case 'xcache':
require 'cache_xcache.php';
self::$instance = new Cache_XCache($prefix);
break;
case 'file':
require 'cache_file.php';
self::$instance = new Cache_File($prefix, CACHE);
break;
case 'auto':
self::$instance = self::generateInstance(self::detect(), $prefix);
break;
default:
self::$instance = new self();
break;
}
return self::$instance;
}
/**
* @return string
*/
public static function detect()
{
if(function_exists('apc_fetch'))
return 'apc';
@@ -74,6 +93,8 @@ class Cache
return 'file';
}
/**
* @return bool
*/
public function enabled() {return false;}
}
?>