Clear APC on deploy

apcclearcache.php

<?php

/**
 * Clear APC opcode and user caches on deploy
 * per directory and prefix.
 * 
 * Store this file in your default APACHE/NGINX root (/home/www/apcclearcache.php)
 * Call this file on deployment:
 * 
 *   php /home/www/apcclearcache.php <release_dir> <user_cache_prefix>
 * 
 * @author Jérôme TAMARELLE <jerome@tamarelle.net>
 */

if ('cli' === PHP_SAPI || in_array(@$_SERVER['REMOTE_ADDR'], array('127.0.0.1', '::1')))
{
  if ('cli' === PHP_SAPI)
  {
    if (!isset($argv[1]))
    {
      echo "You must specified at least a base directory to clear opcode cache";

      exit(0);
    }

    $prefix = isset($argv[2]) ? $argv[2] : '';
    echo @file_get_contents('http://localhost/apcclearcache.php?prefix='.$prefix.'&dir='.urlencode($argv[1]));
  }
  else
  {
    // Remove opcode cache
    $prefix = $_GET['dir'];
    $apcInfos = apc_cache_info();

    if ($total = count($apcInfos['cache_list']))
    {
      $count = 0;
      foreach ($apcInfos['cache_list'] as $item)
      {
        if (0 === strpos($item['filename'], $prefix))
        {
          apc_delete_file($item['filename']);
          ++$count;
        }
      }

      echo "APC opcode cleared for web ($count items / $total)\n";
    }

    if (empty($_GET['prefix']))
    {
      return;
    }

    // Remove user cache
    $prefix = $_GET['prefix'];
    $apcInfos = apc_cache_info('user');

    if ($total = count($apcInfos['cache_list']))
    {
      $count = 0;
      foreach ($apcInfos['cache_list'] as $item)
      {
        if (0 === strpos($item['info'], $prefix))
        {
          apc_delete($item['info']);
          ++$count;
        }
      }

      echo "APC user cleared for web ($count items / $total)\n";
    }
  }
}
else
{
  echo 'Access denied';
}