function dmemcache_extension in Memcache API and Integration 7

Same name and namespace in other branches

1. 6 dmemcache.inc \dmemcache_extension()

Determine which memcache extension to use: memcache or memcached.

By default prefer the 'Memcache' PHP extension, though the default can be overridden by setting memcache_extension in settings.php.

6 calls to dmemcache_extension()

dmemcache_close in ./dmemcache.inc

Close the connection to the memcache instance.

dmemcache_connect in ./dmemcache.inc

Initiate a connection to memcache.

dmemcache_instance in ./dmemcache.inc

Return a new memcache instance.

memcache_requirements in ./memcache.install

Implements hook_requirements().

_dmemcache_use_ascii_auth in ./dmemcache.inc

Returns whether memcache_ascii_auth is used or not.

... See full list

File

./dmemcache.inc, line 704

A memcache API for Drupal.

Code

function dmemcache_extension() {
  static $extension = NULL;
  if ($extension === NULL) {

    // If an extension is specified in settings.php, use that when available.
    $preferred = variable_get('memcache_extension', NULL);
    if (isset($preferred) && class_exists($preferred, FALSE)) {
      $extension = ucfirst(strtolower($preferred));
    }
    elseif (class_exists('Memcache', FALSE)) {
      $extension = 'Memcache';
    }
    elseif (class_exists('Memcached', FALSE)) {
      $extension = 'Memcached';
    }
    else {
      $extension = FALSE;
    }
  }
  return $extension;
}