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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpKernel\Profiler;
  13  
  14  @trigger_error('The '.__NAMESPACE__.'\MemcacheProfilerStorage class is deprecated since Symfony 2.8 and will be removed in 3.0. Use FileProfilerStorage instead.', E_USER_DEPRECATED);
  15  
  16  /**
  17   * Memcache Profiler Storage.
  18   *
  19   * @author Andrej Hudec <pulzarraider@gmail.com>
  20   *
  21   * @deprecated Deprecated since Symfony 2.8, to be removed in Symfony 3.0.
  22   *             Use {@link FileProfilerStorage} instead.
  23   */
  24  class MemcacheProfilerStorage extends BaseMemcacheProfilerStorage
  25  {
  26      /**
  27       * @var \Memcache
  28       */
  29      private $memcache;
  30  
  31      /**
  32       * Internal convenience method that returns the instance of the Memcache.
  33       *
  34       * @return \Memcache
  35       *
  36       * @throws \RuntimeException
  37       */
  38      protected function getMemcache()
  39      {
  40          if (null === $this->memcache) {
  41              if (!preg_match('#^memcache://(?(?=\[.*\])\[(.*)\]|(.*)):(.*)$#', $this->dsn, $matches)) {
  42                  throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use Memcache with an invalid dsn "%s". The expected format is "memcache://[host]:port".', $this->dsn));
  43              }
  44  
  45              $host = $matches[1] ?: $matches[2];
  46              $port = $matches[3];
  47  
  48              $memcache = new \Memcache();
  49              $memcache->addServer($host, $port);
  50  
  51              $this->memcache = $memcache;
  52          }
  53  
  54          return $this->memcache;
  55      }
  56  
  57      /**
  58       * Set instance of the Memcache.
  59       *
  60       * @param \Memcache $memcache
  61       */
  62      public function setMemcache($memcache)
  63      {
  64          $this->memcache = $memcache;
  65      }
  66  
  67      /**
  68       * {@inheritdoc}
  69       */
  70      protected function getValue($key)
  71      {
  72          return $this->getMemcache()->get($key);
  73      }
  74  
  75      /**
  76       * {@inheritdoc}
  77       */
  78      protected function setValue($key, $value, $expiration = 0)
  79      {
  80          return $this->getMemcache()->set($key, $value, false, time() + $expiration);
  81      }
  82  
  83      /**
  84       * {@inheritdoc}
  85       */
  86      protected function delete($key)
  87      {
  88          return $this->getMemcache()->delete($key);
  89      }
  90  
  91      /**
  92       * {@inheritdoc}
  93       */
  94      protected function appendValue($key, $value, $expiration = 0)
  95      {
  96          $memcache = $this->getMemcache();
  97  
  98          if (method_exists($memcache, 'append')) {
  99              // Memcache v3.0
 100              if (!$result = $memcache->append($key, $value, false, $expiration)) {
 101                  return $memcache->set($key, $value, false, $expiration);
 102              }
 103  
 104              return $result;
 105          }
 106  
 107          // simulate append in Memcache <3.0
 108          $content = $memcache->get($key);
 109  
 110          return $memcache->set($key, $content.$value, false, $expiration);
 111      }
 112  }