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对于APC和Symfony 2.1,app.php的外观应如何?

[英]How should the app.php looks like for APC and Symfony 2.1

我想用Symfony 2.1和APC来准备app.php文件。 我将Symfony标准版配置为带有教义的文件,然后进行了以下描述的更改: http : //symfony.com/doc/2.1/book/performance.html

<?php
require_once __DIR__.'\..\vendor\symfony\symfony\src\Symfony\Component\ClassLoader\UniversalClassLoader.php';
require_once __DIR__.'\..\vendor\symfony\symfony\src\Symfony\Component\ClassLoader\ApcUniversalClassLoader.php';
use Symfony\Component\ClassLoader\ApcClassLoader;
use Symfony\Component\HttpFoundation\Request;

$loader = new ApcClassLoader('sf2', $loader);
$loader->register(true);

require_once __DIR__.'/../app/AppKernel.php';
$kernel = new AppKernel('prod', false);
$kernel->loadClassCache();
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);
?>

但它不起作用,我得到了错误:

Fatal error: Class 'Symfony\Component\HttpKernel\Kernel' not found in __my_path__\app\AppKernel.php on line 7

我应该如何准备app.php以获得最佳性能。

看一下Symfony标准发行版中的默认app.php文件。 为了启用APC,您的app.php文件应如下所示:

use Symfony\Component\ClassLoader\ApcClassLoader;
use Symfony\Component\HttpFoundation\Request;

$loader = require_once __DIR__.'/../app/bootstrap.php.cache';

// Use APC for autoloading to improve performance.
// Change 'sf2' to a unique prefix in order to prevent cache key conflicts
// with other applications also using APC.

$loader = new ApcClassLoader('sf2', $loader);
$loader->register(true);

require_once __DIR__.'/../app/AppKernel.php';
//require_once __DIR__.'/../app/AppCache.php';

$kernel = new AppKernel('prod', false);
$kernel->loadClassCache();
//$kernel = new AppCache($kernel);
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);

如果您通过取消对require_once __DIR__.'/../app/AppCache.php';的注释来启用symfony 网关缓存 ,则还可以提高性能require_once __DIR__.'/../app/AppCache.php'; $kernel = new AppCache($kernel); 线。

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