classes.php

<?php 
namespace Symfony\Component\EventDispatcher
{
interface EventSubscriberInterface
{
public static function getSubscribedEvents();
}
}
namespace Symfony\Component\HttpKernel\EventListener
{
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
abstract class SessionListener implements EventSubscriberInterface
{
public function onKernelRequest(GetResponseEvent $event)
{
if (!$event->isMasterRequest()) {
return;
}
$request = $event->getRequest();
$session = $this->getSession();
if (null === $session || $request->hasSession()) {
return;
}
$request->setSession($session);
}
public static function getSubscribedEvents()
{
return array(
KernelEvents::REQUEST => array('onKernelRequest', 128),
);
}
abstract protected function getSession();
}
}
namespace Symfony\Bundle\FrameworkBundle\EventListener
{
use Symfony\Component\HttpKernel\EventListener\SessionListener as BaseSessionListener;
use Symfony\Component\DependencyInjection\ContainerInterface;
class SessionListener extends BaseSessionListener
{
private $container;
public function __construct(ContainerInterface $container)
{
$this->container = $container;
}
protected function getSession()
{
if (!$this->container->has('session')) {
return;
}
return $this->container->get('session');
}
}
}
namespace Symfony\Component\HttpFoundation\Session\Storage
{
use Symfony\Component\HttpFoundation\Session\SessionBagInterface;
interface SessionStorageInterface
{
public function start();
public function isStarted();
public function getId();
public function setId($id);
public function getName();
public function setName($name);
public function regenerate($destroy = false, $lifetime = null);
public function save();
public function clear();
public function getBag($name);
public function registerBag(SessionBagInterface $bag);
public function getMetadataBag();
}
}
namespace Symfony\Component\HttpFoundation\Session\Storage
{
use Symfony\Component\HttpFoundation\Session\SessionBagInterface;
use Symfony\Component\HttpFoundation\Session\Storage\Handler\NativeSessionHandler;
use Symfony\Component\HttpFoundation\Session\Storage\Proxy\AbstractProxy;
use Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy;
class NativeSessionStorage implements SessionStorageInterface
{
protected $bags;
protected $started = false;
protected $closed = false;
protected $saveHandler;
protected $metadataBag;
public function __construct(array $options = array(), $handler = null, MetadataBag $metaBag = null)
{
session_cache_limiter(''); ini_set('session.use_cookies', 1);
session_register_shutdown();
$this->setMetadataBag($metaBag);
$this->setOptions($options);
$this->setSaveHandler($handler);
}
public function getSaveHandler()
{
return $this->saveHandler;
}
public function start()
{
if ($this->started) {
return true;
}
if (\PHP_SESSION_ACTIVE === session_status()) {
throw new \RuntimeException('Failed to start the session: already started by PHP.');
}
if (ini_get('session.use_cookies') && headers_sent($file, $line)) {
throw new \RuntimeException(sprintf('Failed to start the session because headers have already been sent by "%s" at line %d.', $file, $line));
}
if (!session_start()) {
throw new \RuntimeException('Failed to start the session');
}
$this->loadSession();
return true;
}
public function getId()
{
return $this->saveHandler->getId();
}
public function setId($id)
{
$this->saveHandler->setId($id);
}
public function getName()
{
return $this->saveHandler->getName();
}
public function setName($name)
{
$this->saveHandler->setName($name);
}
public function regenerate($destroy = false, $lifetime = null)
{
if (\PHP_SESSION_ACTIVE !== session_status()) {
return false;
}
if (null !== $lifetime) {
ini_set('session.cookie_lifetime', $lifetime);
}
if ($destroy) {
$this->metadataBag->stampNew();
}
$isRegenerated = session_regenerate_id($destroy);
$this->loadSession();
return $isRegenerated;
}
public function save()
{
session_write_close();
$this->closed = true;
$this->started = false;
}
public function clear()
{
foreach ($this->bags as $bag) {
$bag->clear();
}
$_SESSION = array();
$this->loadSession();
}
public function registerBag(SessionBagInterface $bag)
{
if ($this->started) {
throw new \LogicException('Cannot register a bag when the session is already started.');
}
$this->bags[$bag->getName()] = $bag;
}
public function getBag($name)
{
if (!isset($this->bags[$name])) {
throw new \InvalidArgumentException(sprintf('The SessionBagInterface %s is not registered.', $name));
}
if ($this->saveHandler->isActive() && !$this->started) {
$this->loadSession();
} elseif (!$this->started) {
$this->start();
}
return $this->bags[$name];
}
public function setMetadataBag(MetadataBag $metaBag = null)
{
if (null === $metaBag) {
$metaBag = new MetadataBag();
}
$this->metadataBag = $metaBag;
}
public function getMetadataBag()
{
return $this->metadataBag;
}
public function isStarted()
{
return $this->started;
}
public function setOptions(array $options)
{
$validOptions = array_flip(array('cache_limiter','cookie_domain','cookie_httponly','cookie_lifetime','cookie_path','cookie_secure','entropy_file','entropy_length','gc_divisor','gc_maxlifetime','gc_probability','hash_bits_per_character','hash_function','name','referer_check','serialize_handler','use_cookies','use_only_cookies','use_trans_sid','upload_progress.enabled','upload_progress.cleanup','upload_progress.prefix','upload_progress.name','upload_progress.freq','upload_progress.min-freq','url_rewriter.tags',
));
foreach ($options as $key => $value) {
if (isset($validOptions[$key])) {
ini_set('session.'.$key, $value);
}
}
}
public function setSaveHandler($saveHandler = null)
{
if (!$saveHandler instanceof AbstractProxy &&
!$saveHandler instanceof NativeSessionHandler &&
!$saveHandler instanceof \SessionHandlerInterface &&
null !== $saveHandler) {
throw new \InvalidArgumentException('Must be instance of AbstractProxy or NativeSessionHandler; implement \SessionHandlerInterface; or be null.');
}
if (!$saveHandler instanceof AbstractProxy && $saveHandler instanceof \SessionHandlerInterface) {
$saveHandler = new SessionHandlerProxy($saveHandler);
} elseif (!$saveHandler instanceof AbstractProxy) {
$saveHandler = new SessionHandlerProxy(new \SessionHandler());
}
$this->saveHandler = $saveHandler;
if ($this->saveHandler instanceof \SessionHandlerInterface) {
session_set_save_handler($this->saveHandler, false);
}
}
protected function loadSession(array &$session = null)
{
if (null === $session) {
$session = &$_SESSION;
}
$bags = array_merge($this->bags, array($this->metadataBag));
foreach ($bags as $bag) {
$key = $bag->getStorageKey();
$session[$key] = isset($session[$key]) ? $session[$key] : array();
$bag->initialize($session[$key]);
}
$this->started = true;
$this->closed = false;
}
}
}
namespace Symfony\Component\HttpFoundation\Session\Storage
{
use Symfony\Component\HttpFoundation\Session\Storage\Proxy\AbstractProxy;
use Symfony\Component\HttpFoundation\Session\Storage\Handler\NativeSessionHandler;
class PhpBridgeSessionStorage extends NativeSessionStorage
{
public function __construct($handler = null, MetadataBag $metaBag = null)
{
$this->setMetadataBag($metaBag);
$this->setSaveHandler($handler);
}
public function start()
{
if ($this->started) {
return true;
}
$this->loadSession();
return true;
}
public function clear()
{
foreach ($this->bags as $bag) {
$bag->clear();
}
$this->loadSession();
}
}
}
namespace Symfony\Component\HttpFoundation\Session\Storage\Handler
{
class NativeSessionHandler extends \SessionHandler
{
}
}
namespace Symfony\Component\HttpFoundation\Session\Storage\Handler
{
class NativeFileSessionHandler extends NativeSessionHandler
{
public function __construct($savePath = null)
{
if (null === $savePath) {
$savePath = ini_get('session.save_path');
}
$baseDir = $savePath;
if ($count = substr_count($savePath,';')) {
if ($count > 2) {
throw new \InvalidArgumentException(sprintf('Invalid argument $savePath \'%s\'', $savePath));
}
$baseDir = ltrim(strrchr($savePath,';'),';');
}
if ($baseDir && !is_dir($baseDir) && !@mkdir($baseDir, 0777, true) && !is_dir($baseDir)) {
throw new \RuntimeException(sprintf('Session Storage was not able to create directory "%s"', $baseDir));
}
ini_set('session.save_path', $savePath);
ini_set('session.save_handler','files');
}
}
}
namespace Symfony\Component\HttpFoundation\Session\Storage\Proxy
{
abstract class AbstractProxy
{
protected $wrapper = false;
protected $saveHandlerName;
public function getSaveHandlerName()
{
return $this->saveHandlerName;
}
public function isSessionHandlerInterface()
{
return $this instanceof \SessionHandlerInterface;
}
public function isWrapper()
{
return $this->wrapper;
}
public function isActive()
{
return \PHP_SESSION_ACTIVE === session_status();
}
public function getId()
{
return session_id();
}
public function setId($id)
{
if ($this->isActive()) {
throw new \LogicException('Cannot change the ID of an active session');
}
session_id($id);
}
public function getName()
{
return session_name();
}
public function setName($name)
{
if ($this->isActive()) {
throw new \LogicException('Cannot change the name of an active session');
}
session_name($name);
}
}
}
namespace Symfony\Component\HttpFoundation\Session\Storage\Proxy
{
class SessionHandlerProxy extends AbstractProxy implements \SessionHandlerInterface
{
protected $handler;
public function __construct(\SessionHandlerInterface $handler)
{
$this->handler = $handler;
$this->wrapper = ($handler instanceof \SessionHandler);
$this->saveHandlerName = $this->wrapper ? ini_get('session.save_handler') :'user';
}
public function open($savePath, $sessionName)
{
return (bool) $this->handler->open($savePath, $sessionName);
}
public function close()
{
return (bool) $this->handler->close();
}
public function read($sessionId)
{
return (string) $this->handler->read($sessionId);
}
public function write($sessionId, $data)
{
return (bool) $this->handler->write($sessionId, $data);
}
public function destroy($sessionId)
{
return (bool) $this->handler->destroy($sessionId);
}
public function gc($maxlifetime)
{
return (bool) $this->handler->gc($maxlifetime);
}
}
}
namespace Symfony\Component\HttpFoundation\Session
{
use Symfony\Component\HttpFoundation\Session\Storage\MetadataBag;
interface SessionInterface
{
public function start();
public function getId();
public function setId($id);
public function getName();
public function setName($name);
public function invalidate($lifetime = null);
public function migrate($destroy = false, $lifetime = null);
public function save();
public function has($name);
public function get($name, $default = null);
public function set($name, $value);
public function all();
public function replace(array $attributes);
public function remove($name);
public function clear();
public function isStarted();
public function registerBag(SessionBagInterface $bag);
public function getBag($name);
public function getMetadataBag();
}
}
namespace Symfony\Component\HttpFoundation\Session
{
use Symfony\Component\HttpFoundation\Session\Storage\SessionStorageInterface;
use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag;
use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface;
use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
use Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface;
use Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage;
class Session implements SessionInterface, \IteratorAggregate, \Countable
{
protected $storage;
private $flashName;
private $attributeName;
public function __construct(SessionStorageInterface $storage = null, AttributeBagInterface $attributes = null, FlashBagInterface $flashes = null)
{
$this->storage = $storage ?: new NativeSessionStorage();
$attributes = $attributes ?: new AttributeBag();
$this->attributeName = $attributes->getName();
$this->registerBag($attributes);
$flashes = $flashes ?: new FlashBag();
$this->flashName = $flashes->getName();
$this->registerBag($flashes);
}
public function start()
{
return $this->storage->start();
}
public function has($name)
{
return $this->storage->getBag($this->attributeName)->has($name);
}
public function get($name, $default = null)
{
return $this->storage->getBag($this->attributeName)->get($name, $default);
}
public function set($name, $value)
{
$this->storage->getBag($this->attributeName)->set($name, $value);
}
public function all()
{
return $this->storage->getBag($this->attributeName)->all();
}
public function replace(array $attributes)
{
$this->storage->getBag($this->attributeName)->replace($attributes);
}
public function remove($name)
{
return $this->storage->getBag($this->attributeName)->remove($name);
}
public function clear()
{
$this->storage->getBag($this->attributeName)->clear();
}
public function isStarted()
{
return $this->storage->isStarted();
}
public function getIterator()
{
return new \ArrayIterator($this->storage->getBag($this->attributeName)->all());
}
public function count()
{
return count($this->storage->getBag($this->attributeName)->all());
}
public function invalidate($lifetime = null)
{
$this->storage->clear();
return $this->migrate(true, $lifetime);
}
public function migrate($destroy = false, $lifetime = null)
{
return $this->storage->regenerate($destroy, $lifetime);
}
public function save()
{
$this->storage->save();
}
public function getId()
{
return $this->storage->getId();
}
public function setId($id)
{
$this->storage->setId($id);
}
public function getName()
{
return $this->storage->getName();
}
public function setName($name)
{
$this->storage->setName($name);
}
public function getMetadataBag()
{
return $this->storage->getMetadataBag();
}
public function registerBag(SessionBagInterface $bag)
{
$this->storage->registerBag($bag);
}
public function getBag($name)
{
return $this->storage->getBag($name);
}
public function getFlashBag()
{
return $this->getBag($this->flashName);
}
}
}
namespace Symfony\Bundle\FrameworkBundle\Templating
{
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Session\Session;
class GlobalVariables
{
protected $container;
public function __construct(ContainerInterface $container)
{
$this->container = $container;
}
public function getUser()
{
if (!$this->container->has('security.token_storage')) {
return;
}
$tokenStorage = $this->container->get('security.token_storage');
if (!$token = $tokenStorage->getToken()) {
return;
}
$user = $token->getUser();
if (!is_object($user)) {
return;
}
return $user;
}
public function getRequest()
{
if ($this->container->has('request_stack')) {
return $this->container->get('request_stack')->getCurrentRequest();
}
}
public function getSession()
{
if ($request = $this->getRequest()) {
return $request->getSession();
}
}
public function getEnvironment()
{
return $this->container->getParameter('kernel.environment');
}
public function getDebug()
{
return (bool) $this->container->getParameter('kernel.debug');
}
}
}
namespace Symfony\Component\Templating
{
interface TemplateReferenceInterface
{
public function all();
public function set($name, $value);
public function get($name);
public function getPath();
public function getLogicalName();
public function __toString();
}
}
namespace Symfony\Component\Templating
{
class TemplateReference implements TemplateReferenceInterface
{
protected $parameters;
public function __construct($name = null, $engine = null)
{
$this->parameters = array('name'=> $name,'engine'=> $engine,
);
}
public function __toString()
{
return $this->getLogicalName();
}
public function set($name, $value)
{
if (array_key_exists($name, $this->parameters)) {
$this->parameters[$name] = $value;
} else {
throw new \InvalidArgumentException(sprintf('The template does not support the "%s" parameter.', $name));
}
return $this;
}
public function get($name)
{
if (array_key_exists($name, $this->parameters)) {
return $this->parameters[$name];
}
throw new \InvalidArgumentException(sprintf('The template does not support the "%s" parameter.', $name));
}
public function all()
{
return $this->parameters;
}
public function getPath()
{
return $this->parameters['name'];
}
public function getLogicalName()
{
return $this->parameters['name'];
}
}
}
namespace Symfony\Bundle\FrameworkBundle\Templating
{
use Symfony\Component\Templating\TemplateReference as BaseTemplateReference;
class TemplateReference extends BaseTemplateReference
{
public function __construct($bundle = null, $controller = null, $name = null, $format = null, $engine = null)
{
$this->parameters = array('bundle'=> $bundle,'controller'=> $controller,'name'=> $name,'format'=> $format,'engine'=> $engine,
);
}
public function getPath()
{
$controller = str_replace('\\','/', $this->get('controller'));
$path = (empty($controller) ?'': $controller.'/').$this->get('name').'.'.$this->get('format').'.'.$this->get('engine');
return empty($this->parameters['bundle']) ?'views/'.$path :'@'.$this->get('bundle').'/Resources/views/'.$path;
}
public function getLogicalName()
{
return sprintf('%s:%s:%s.%s.%s', $this->parameters['bundle'], $this->parameters['controller'], $this->parameters['name'], $this->parameters['format'], $this->parameters['engine']);
}
}
}
namespace Symfony\Component\Templating
{
interface TemplateNameParserInterface
{
public function parse($name);
}
}
namespace Symfony\Component\Templating
{
class TemplateNameParser implements TemplateNameParserInterface
{
public function parse($name)
{
if ($name instanceof TemplateReferenceInterface) {
return $name;
}
$engine = null;
if (false !== $pos = strrpos($name,'.')) {
$engine = substr($name, $pos + 1);
}
return new TemplateReference($name, $engine);
}
}
}
namespace Symfony\Bundle\FrameworkBundle\Templating
{
use Symfony\Component\Templating\TemplateReferenceInterface;
use Symfony\Component\HttpKernel\KernelInterface;
use Symfony\Component\Templating\TemplateNameParser as BaseTemplateNameParser;
class TemplateNameParser extends BaseTemplateNameParser
{
protected $kernel;
protected $cache = array();
public function __construct(KernelInterface $kernel)
{
$this->kernel = $kernel;
}
public function parse($name)
{
if ($name instanceof TemplateReferenceInterface) {
return $name;
} elseif (isset($this->cache[$name])) {
return $this->cache[$name];
}
$name = str_replace(':/',':', preg_replace('#/{2,}#','/', str_replace('\\','/', $name)));
if (false !== strpos($name,'..')) {
throw new \RuntimeException(sprintf('Template name "%s" contains invalid characters.', $name));
}
if ($this->isAbsolutePath($name) || !preg_match('/^(?:([^:]*):([^:]*):)?(.+)\.([^\.]+)\.([^\.]+)$/', $name, $matches) || 0 === strpos($name,'@')) {
return parent::parse($name);
}
$template = new TemplateReference($matches[1], $matches[2], $matches[3], $matches[4], $matches[5]);
if ($template->get('bundle')) {
try {
$this->kernel->getBundle($template->get('bundle'));
} catch (\Exception $e) {
throw new \InvalidArgumentException(sprintf('Template name "%s" is not valid.', $name), 0, $e);
}
}
return $this->cache[$name] = $template;
}
private function isAbsolutePath($file)
{
$isAbsolute = (bool) preg_match('#^(?:/|[a-zA-Z]:)#', $file);
if ($isAbsolute) {
@trigger_error('Absolute template path support is deprecated since Symfony 3.1 and will be removed in 4.0.', E_USER_DEPRECATED);
}
return $isAbsolute;
}
}
}
namespace Symfony\Component\Config
{
use Symfony\Component\Config\Exception\FileLocatorFileNotFoundException;
interface FileLocatorInterface
{
public function locate($name, $currentPath = null, $first = true);
}
}
namespace Symfony\Bundle\FrameworkBundle\Templating\Loader
{
use Symfony\Component\Config\FileLocatorInterface;
use Symfony\Component\Templating\TemplateReferenceInterface;
class TemplateLocator implements FileLocatorInterface
{
protected $locator;
protected $cache;
private $cacheHits = array();
public function __construct(FileLocatorInterface $locator, $cacheDir = null)
{
if (null !== $cacheDir && file_exists($cache = $cacheDir.'/templates.php')) {
$this->cache = require $cache;
}
$this->locator = $locator;
}
protected function getCacheKey($template)
{
return $template->getLogicalName();
}
public function locate($template, $currentPath = null, $first = true)
{
if (!$template instanceof TemplateReferenceInterface) {
throw new \InvalidArgumentException('The template must be an instance of TemplateReferenceInterface.');
}
$key = $this->getCacheKey($template);
if (isset($this->cacheHits[$key])) {
return $this->cacheHits[$key];
}
if (isset($this->cache[$key])) {
return $this->cacheHits[$key] = realpath($this->cache[$key]) ?: $this->cache[$key];
}
try {
return $this->cacheHits[$key] = $this->locator->locate($template->getPath(), $currentPath);
} catch (\InvalidArgumentException $e) {
throw new \InvalidArgumentException(sprintf('Unable to find template "%s" : "%s".', $template, $e->getMessage()), 0, $e);
}
}
}
}
namespace Psr\Log
{
interface LoggerAwareInterface
{
public function setLogger(LoggerInterface $logger);
}
}
namespace Psr\Cache
{
interface CacheItemPoolInterface
{
public function getItem($key);
public function getItems(array $keys = array());
public function hasItem($key);
public function clear();
public function deleteItem($key);
public function deleteItems(array $keys);
public function save(CacheItemInterface $item);
public function saveDeferred(CacheItemInterface $item);
public function commit();
}
}
namespace Symfony\Component\Cache\Adapter
{
use Psr\Cache\CacheItemPoolInterface;
use Symfony\Component\Cache\CacheItem;
interface AdapterInterface extends CacheItemPoolInterface
{
public function getItem($key);
public function getItems(array $keys = array());
}
}
namespace Psr\Log
{
trait LoggerAwareTrait
{
protected $logger;
public function setLogger(LoggerInterface $logger)
{
$this->logger = $logger;
}
}
}
namespace Symfony\Component\Cache\Adapter
{
use Psr\Cache\CacheItemInterface;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use Psr\Log\LoggerInterface;
use Symfony\Component\Cache\CacheItem;
use Symfony\Component\Cache\Exception\InvalidArgumentException;
abstract class AbstractAdapter implements AdapterInterface, LoggerAwareInterface
{
use LoggerAwareTrait;
private static $apcuSupported;
private static $phpFilesSupported;
private $namespace;
private $deferred = array();
private $createCacheItem;
private $mergeByLifetime;
protected $maxIdLength;
protected function __construct($namespace ='', $defaultLifetime = 0)
{
$this->namespace =''=== $namespace ?'': $this->getId($namespace).':';
if (null !== $this->maxIdLength && strlen($namespace) > $this->maxIdLength - 24) {
throw new InvalidArgumentException(sprintf('Namespace must be %d chars max, %d given ("%s")', $this->maxIdLength - 24, strlen($namespace), $namespace));
}
$this->createCacheItem = \Closure::bind(
function ($key, $value, $isHit) use ($defaultLifetime) {
$item = new CacheItem();
$item->key = $key;
$item->value = $value;
$item->isHit = $isHit;
$item->defaultLifetime = $defaultLifetime;
return $item;
},
null,
CacheItem::class
);
$this->mergeByLifetime = \Closure::bind(
function ($deferred, $namespace, &$expiredIds) {
$byLifetime = array();
$now = time();
$expiredIds = array();
foreach ($deferred as $key => $item) {
if (null === $item->expiry) {
$byLifetime[0 < $item->defaultLifetime ? $item->defaultLifetime : 0][$namespace.$key] = $item->value;
} elseif ($item->expiry > $now) {
$byLifetime[$item->expiry - $now][$namespace.$key] = $item->value;
} else {
$expiredIds[] = $namespace.$key;
}
}
return $byLifetime;
},
null,
CacheItem::class
);
}
public static function createSystemCache($namespace, $defaultLifetime, $version, $directory, LoggerInterface $logger = null)
{
if (null === self::$apcuSupported) {
self::$apcuSupported = ApcuAdapter::isSupported();
}
if (!self::$apcuSupported && null === self::$phpFilesSupported) {
self::$phpFilesSupported = PhpFilesAdapter::isSupported();
}
if (self::$phpFilesSupported) {
$opcache = new PhpFilesAdapter($namespace, $defaultLifetime, $directory);
if (null !== $logger) {
$opcache->setLogger($logger);
}
return $opcache;
}
$fs = new FilesystemAdapter($namespace, $defaultLifetime, $directory);
if (null !== $logger) {
$fs->setLogger($logger);
}
if (!self::$apcuSupported) {
return $fs;
}
$apcu = new ApcuAdapter($namespace, (int) $defaultLifetime / 5, $version);
if (null !== $logger) {
$apcu->setLogger($logger);
}
return new ChainAdapter(array($apcu, $fs));
}
abstract protected function doFetch(array $ids);
abstract protected function doHave($id);
abstract protected function doClear($namespace);
abstract protected function doDelete(array $ids);
abstract protected function doSave(array $values, $lifetime);
public function getItem($key)
{
if ($this->deferred) {
$this->commit();
}
$id = $this->getId($key);
$f = $this->createCacheItem;
$isHit = false;
$value = null;
try {
foreach ($this->doFetch(array($id)) as $value) {
$isHit = true;
}
} catch (\Exception $e) {
CacheItem::log($this->logger,'Failed to fetch key "{key}"', array('key'=> $key,'exception'=> $e));
}
return $f($key, $value, $isHit);
}
public function getItems(array $keys = array())
{
if ($this->deferred) {
$this->commit();
}
$ids = array();
foreach ($keys as $key) {
$ids[] = $this->getId($key);
}
try {
$items = $this->doFetch($ids);
} catch (\Exception $e) {
CacheItem::log($this->logger,'Failed to fetch requested items', array('keys'=> $keys,'exception'=> $e));
$items = array();
}
$ids = array_combine($ids, $keys);
return $this->generateItems($items, $ids);
}
public function hasItem($key)
{
$id = $this->getId($key);
if (isset($this->deferred[$key])) {
$this->commit();
}
try {
return $this->doHave($id);
} catch (\Exception $e) {
CacheItem::log($this->logger,'Failed to check if key "{key}" is cached', array('key'=> $key,'exception'=> $e));
return false;
}
}
public function clear()
{
$this->deferred = array();
try {
return $this->doClear($this->namespace);
} catch (\Exception $e) {
CacheItem::log($this->logger,'Failed to clear the cache', array('exception'=> $e));
return false;
}
}
public function deleteItem($key)
{
return $this->deleteItems(array($key));
}
public function deleteItems(array $keys)
{
$ids = array();
foreach ($keys as $key) {
$ids[$key] = $this->getId($key);
unset($this->deferred[$key]);
}
try {
if ($this->doDelete($ids)) {
return true;
}
} catch (\Exception $e) {
}
$ok = true;
foreach ($ids as $key => $id) {
try {
$e = null;
if ($this->doDelete(array($id))) {
continue;
}
} catch (\Exception $e) {
}
CacheItem::log($this->logger,'Failed to delete key "{key}"', array('key'=> $key,'exception'=> $e));
$ok = false;
}
return $ok;
}
public function save(CacheItemInterface $item)
{
if (!$item instanceof CacheItem) {
return false;
}
$this->deferred[$item->getKey()] = $item;
return $this->commit();
}
public function saveDeferred(CacheItemInterface $item)
{