ERROR: This is not a plugin, and it should not be activated as one.
Instead, ' . str_replace( $_SERVER['DOCUMENT_ROOT'], '', __FILE__ ) . ' must be moved to ' . str_replace( $_SERVER['DOCUMENT_ROOT'], '', trailingslashit( WP_CONTENT_DIR ) ) . 'object-cache.php' );
} else {
function wp_cache_add($key, $data, $group = '', $expire = 0) {
global $wp_object_cache;
return $wp_object_cache->add($key, $data, $group, (int) $expire);
}
function wp_cache_close() {
return true;
}
function wp_cache_decr($key, $offset = 1, $group = '') {
global $wp_object_cache;
return $wp_object_cache->decr($key, $offset, $group);
}
function wp_cache_delete($key, $group = '') {
global $wp_object_cache;
return $wp_object_cache->delete($key, $group);
}
function wp_cache_flush() {
global $wp_object_cache;
return $wp_object_cache->flush();
}
function wp_cache_get($key, $group = '', $force = false, &$found = null) {
global $wp_object_cache;
return $wp_object_cache->get($key, $group, $force, $found);
}
function wp_cache_incr($key, $offset = 1, $group = '') {
global $wp_object_cache;
return $wp_object_cache->incr($key, $offset, $group);
}
function wp_cache_init() {
if (!function_exists('apcu_fetch')) {
$error = 'APCu is not configured correctly. Please refer to https://wordpress.org/extend/plugins/apcu/installation/ for instructions.';
if (function_exists('wp_die')) {
wp_die($error, 'APCu Object Cache', array('response' => 503));
} else {
header('HTTP/1.0 503 Service Unavailable');
header('Content-Type: text/plain; charset=UTF-8');
die($error);
}
} else {
$GLOBALS['wp_object_cache'] = new APCu_Object_Cache();
}
}
function wp_cache_replace($key, $data, $group = '', $expire = 0) {
global $wp_object_cache;
return $wp_object_cache->replace($key, $data, $group, (int) $expire);
}
function wp_cache_set($key, $data, $group = '', $expire = 0) {
global $wp_object_cache;
return $wp_object_cache->set($key, $data, $group, (int) $expire);
}
function wp_cache_switch_to_blog($blog_id) {
global $wp_object_cache;
return $wp_object_cache->switch_to_blog($blog_id);
}
function wp_cache_add_global_groups($groups) {
global $wp_object_cache;
return $wp_object_cache->add_global_groups($groups);
}
function wp_cache_add_non_persistent_groups($groups) {
global $wp_object_cache;
return $wp_object_cache->wp_cache_add_non_persistent_groups($groups);
}
function wp_cache_reset() {
global $wp_object_cache;
return $wp_object_cache->reset();
}
class APCu_Object_Cache {
private $prefix = '';
private $local_cache = array();
private $global_groups = array();
private $non_persistent_groups = array();
private $multisite = false;
private $blog_prefix = '';
public function __construct() {
global $table_prefix, $blog_id;
$this->multisite = is_multisite();
$this->blog_prefix = $this->multisite ? intval($blog_id) : '';
$this->prefix = DB_HOST.'.'.DB_NAME.'.'.$table_prefix;
}
private function get_group($group) {
return empty($group) ? 'default' : $group;
}
private function get_key($group, $key) {
if ($this->multisite && !isset($this->global_groups[$group])) {
return $this->prefix.'.'.$group.'.'.$this->blog_prefix.':'.$key;
} else {
return $this->prefix.'.'.$group.'.'.$key;
}
}
public function add($key, $data, $group = 'default', $expire = 0) {
$group = $this->get_group($group);
$key = $this->get_key($group, $key);
if (function_exists('wp_suspend_cache_addition') && wp_suspend_cache_addition()) {
return false;
}
if (isset($this->local_cache[$group][$key])) {
return false;
}
// FIXME: Somehow apcu_add does not return false if key already exists
if (!isset($this->non_persistent_groups[$group]) && apcu_exists($key)) {
return false;
}
if (is_object($data)) {
$this->local_cache[$group][$key] = clone $data;
} else {
$this->local_cache[$group][$key] = $data;
}
if (!isset($this->non_persistent_groups[$group])) {
return apcu_add($key, $data, (int) $expire);
}
return true;
}
public function add_global_groups($groups) {
if (is_array($groups)) {
foreach ($groups as $group) {
$this->global_groups[$group] = true;
}
} else {
$this->global_groups[$groups] = true;
}
}
public function wp_cache_add_non_persistent_groups($groups) {
if (is_array($groups)) {
foreach ($groups as $group) {
$this->non_persistent_groups[$group] = true;
}
} else {
$this->non_persistent_groups[$groups] = true;
}
}
public function decr($key, $offset = 1, $group = 'default') {
$group = $this->get_group($group);
$key = $this->get_key($group, $key);
if (isset($this->local_cache[$group][$key]) && $this->local_cache[$group][$key] - $offset >= 0) {
$this->local_cache[$group][$key] -= $offset;
} else {
$this->local_cache[$group][$key] = 0;
}
if (isset($this->non_persistent_groups[$group])) {
return $this->local_cache[$group][$key];
} else {
$value = apcu_dec($key, $offset);
if ($value < 0) {
apcu_store($key, 0);
return 0;
}
return $value;
}
}
public function delete($key, $group = 'default', $force = false) {
$group = $this->get_group($group);
$key = $this->get_key($group, $key);
unset($this->local_cache[$group][$key]);
if (!isset($this->non_persistent_groups[$group])) {
return apcu_delete($key);
}
return true;
}
public function flush() {
$this->local_cache = array ();
// TODO: only clear our own entries
apcu_clear_cache();
return true;
}
public function get($key, $group = 'default', $force = false, &$found = null) {
$group = $this->get_group($group);
$key = $this->get_key($group, $key);
if (!$force && isset($this->local_cache[$group][$key])) {
$found = true;
if (is_object($this->local_cache[$group][$key])) {
return clone $this->local_cache[$group][$key];
} else {
return $this->local_cache[$group][$key];
}
} elseif (isset($this->non_persistent_groups[$group])) {
$found = false;
return false;
} else {
$value = apcu_fetch($key, $found);
if ($found) {
if ($force) {
$this->local_cache[$group][$key] = $value;
}
return $value;
} else {
return false;
}
}
}
public function incr($key, $offset = 1, $group = 'default') {
$group = $this->get_group($group);
$key = $this->get_key($group, $key);
if (isset($this->local_cache[$group][$key]) && $this->local_cache[$group][$key] + $offset >= 0) {
$this->local_cache[$group][$key] += $offset;
} else {
$this->local_cache[$group][$key] = 0;
}
if (isset($this->non_persistent_groups[$group])) {
return $this->local_cache[$group][$key];
} else {
$value = apcu_inc($key, $offset);
if ($value < 0) {
apcu_store($key, 0);
return 0;
}
return $value;
}
}
public function replace($key, $data, $group = 'default', $expire = 0) {
$group = $this->get_group($group);
$key = $this->get_key($group, $key);
if (isset($this->non_persistent_groups[$group])) {
if (!isset($this->local_cache[$group][$key])) {
return false;
}
} else {
if (!isset($this->local_cache[$group][$key]) && !apcu_exists($key)) {
return false;
}
apcu_store($key, $data, (int) $expire);
}
if (is_object($data)) {
$this->local_cache[$group][$key] = clone $data;
} else {
$this->local_cache[$group][$key] = $data;
}
return true;
}
public function reset() {
// This function is deprecated as of WordPress 3.5
// Be safe and flush the cache if this function is still used
$this->flush();
}
public function set($key, $data, $group = 'default', $expire = 0) {
$group = $this->get_group($group);
$key = $this->get_key($group, $key);
if (is_object($data)) {
$this->local_cache[$group][$key] = clone $data;
} else {
$this->local_cache[$group][$key] = $data;
}
if (!isset($this->non_persistent_groups[$group])) {
return apcu_store($key, $data, (int) $expire);
}
return true;
}
public function stats() {
// Only implemented because the default cache class provides this.
// This method is never called.
echo '';
}
public function switch_to_blog($blog_id) {
$this->blog_prefix = $this->multisite ? intval($blog_id) : '';
}
}
}
?>