Classes List

Symfony\Component\ClassLoader\WinCacheClassLoader

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<?php

/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */


namespace Symfony\Component\ClassLoader;

@trigger_error('The '.__NAMESPACE__.'\WinCacheClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.'E_USER_DEPRECATED);

/** * WinCacheClassLoader implements a wrapping autoloader cached in WinCache. * * It expects an object implementing a findFile method to find the file. This * allow using it as a wrapper around the other loaders of the component (the * ClassLoader for instance) but also around any other autoloaders following * this convention (the Composer one for instance). * * // with a Symfony autoloader * $loader = new ClassLoader(); * $loader->addPrefix('Symfony\Component', __DIR__.'/component'); * $loader->addPrefix('Symfony', __DIR__.'/framework'); * * // or with a Composer autoloader * use Composer\Autoload\ClassLoader; * * $loader = new ClassLoader(); * $loader->add('Symfony\Component', __DIR__.'/component'); * $loader->add('Symfony', __DIR__.'/framework'); * * $cachedLoader = new WinCacheClassLoader('my_prefix', $loader); * * // activate the cached autoloader * $cachedLoader->register(); * * // eventually deactivate the non-cached loader if it was registered previously * // to be sure to use the cached one. * $loader->unregister(); * * @author Fabien Potencier <fabien@symfony.com> * @author Kris Wallsmith <kris@symfony.com> * @author Artem Ryzhkov <artem@smart-core.org> * * @deprecated since version 3.3, to be removed in 4.0. Use `composer install --apcu-autoloader` instead. */
class WinCacheClassLoader
{
    private $prefix;

    /** * A class loader object that implements the findFile() method. * * @var object */
    protected $decorated;

    /** * @param string $prefix The WinCache namespace prefix to use * @param object $decorated A class loader object that implements the findFile() method * * @throws \RuntimeException * @throws \InvalidArgumentException */
    public function __construct($prefix$decorated)
    {
        if (!extension_loaded('wincache')) {
            throw new \RuntimeException('Unable to use WinCacheClassLoader as WinCache is not enabled.');
        }

        if (!method_exists($decorated'findFile')) {
            throw new \InvalidArgumentException('The class finder must implement a "findFile" method.');
        }

        $this->prefix = $prefix;
        $this->decorated = $decorated;
    }

    /** * Registers this instance as an autoloader. * * @param bool $prepend Whether to prepend the autoloader or not */
    public function register($prepend = false)
    {
        spl_autoload_register(array($this'loadClass'), true$prepend);
    }

    /** * Unregisters this instance as an autoloader. */
    public function unregister()
    {
        spl_autoload_unregister(array($this'loadClass'));
    }

    /** * Loads the given class or interface. * * @param string $class The name of the class * * @return bool|null True, if loaded */
    public function loadClass($class)
    {
        if ($file = $this->findFile($class)) {
            require $file;

            return true;
        }
    }

    /** * Finds a file by class name while caching lookups to WinCache. * * @param string $class A class name to resolve to file * * @return string|null */
    public function findFile($class)
    {
        $file = wincache_ucache_get($this->prefix.$class$success);

        if (!$success) {
            wincache_ucache_set($this->prefix.$class$file = $this->decorated->findFile($class) ?: null0);
        }

        return $file;
    }

    /** * Passes through all unknown calls onto the decorated object. */
    public function __call($method$args)
    {
        return call_user_func_array(array($this->decorated$method), $args);
    }
}