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<?php
class W3_Root {
/**
* Enabled Plugins that has been run
* @var W3_Plugin[]
*/
private $_loaded_plugins = array();
/**
* Enabled extensions that has been run
* @var W3_Plugin[]
*/
private $_loaded_extensions = array();
/**
* List of plugins and criterias to be met for them to run
* @var array
*/
private $_plugins = array();
/**
* @var W3_Config $_config
*/
private $_config = null;
function __construct() {
$this->_config = w3_instance('W3_Config');
$this->_plugins = array(
array('class_name' => 'W3_Plugin_TotalCache', 'enable_options' => null),
array('class_name' => 'W3_Plugin_DbCache', 'enable_options' => 'dbcache.enabled'),
array('class_name' => 'W3_Plugin_ObjectCache', 'enable_options' => 'objectcache.enabled'),
array('class_name' => 'W3_Pro_Plugin_FragmentCache', 'enable_options' => 'fragmentcache.enabled'),
array('class_name' => 'W3_Plugin_PgCache', 'enable_options' => 'pgcache.enabled'),
array('class_name' => 'W3_Plugin_Cdn', 'enable_options' => 'cdn.enabled'),
array('class_name' => 'W3_Plugin_BrowserCache', 'enable_options' => 'browsercache.enabled'),
array('class_name' => 'W3_Plugin_Minify', 'enable_options' => 'minify.enabled'),
array('class_name' => 'W3_Plugin_Varnish', 'enable_options' => 'varnish.enabled'),
array('class_name' => 'W3_Plugin_NewRelic', 'enable_options' => 'newrelic.enabled')
);
if (w3tc_edge_mode() && (w3_is_pro($this->_config) || w3_is_enterprise()) && w3tc_cdn_supports_realtime_purge($this->_config->get_string('cdn.engine'))) {
$this->_plugins[] = array('class_name' => 'W3_Plugin_CdnCache', 'enable_options' => array('cdn.enabled', 'cdncache.enabled'));
}
if (is_admin()) {
$this->_plugins[] = array('class_name' => 'W3_Plugin_TotalCacheAdmin', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Plugin_PgCacheAdmin', 'enable_options' => 'pgcache.enabled');
$this->_plugins[] = array('class_name' => 'W3_Plugin_MinifyAdmin', 'enable_options' => array('minify.enabled', 'minify.auto'));
$this->_plugins[] = array('class_name' => 'W3_Plugin_NewRelicAdmin', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Widget_Services', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Widget_SpreadTheWord', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Widget_News', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Widget_Forum', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Widget_MaxCDN', 'enable_options' => array(array('cdn.engine', '==', 'maxcdn'),'||', array('cdn.engine', '!=', 'netdna')));
$this->_plugins[] = array('class_name' => 'W3_Widget_NetDNA', 'enable_options' => array(array('cdn.engine', '==', 'netdna')));
$this->_plugins[] = array('class_name' => 'W3_Widget_NewRelic', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Widget_PageSpeed', 'enable_options' => 'widget.pagespeed.enabled');
$this->_plugins[] = array('class_name' => 'W3_AdminCompatibility', 'enable_options' => null);
if (!(defined('W3TC_PRO') || w3_is_enterprise()))
$this->_plugins[] = array('class_name' => 'W3_Licensing', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Plugin_DefaultSettings', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_GeneralActions', 'enable_options' => array('pgcache.enabled','||', 'varnish.enabled','||', array('cdn.enabled', 'cdncache.enabled')));
$this->_plugins[] = array('class_name' => 'W3_Plugin_ExtensionsAdmin', 'enable_options' => null);
$this->_plugins[] = array('class_name' => 'W3_Plugin_NotificationsAdmin', 'enable_options' => null);
}
$this->_load_plugins();
register_activation_hook(W3TC_FILE, array(
&$this,
'activate'
));
register_deactivation_hook(W3TC_FILE, array(
&$this,
'deactivate'
));
}
/**
* Run plugins
*/
function run() {
foreach ($this->_loaded_plugins as $plugin) {
$plugin->run();
}
add_action('init', array($this, 'load_extensions'));
}
/**
* Activation action hook
*/
public function activate($network_wide) {
$activation = w3_instance('W3_RootAdminActivation');
$activation->activate($network_wide);
}
/**
* Deactivation action hook
*/
public function deactivate() {
$activation = w3_instance('W3_RootAdminActivation');
$activation->deactivate();
}
/**
* Instantiate all plugins
*/
private function _load_plugins() {
foreach ($this->_plugins as $plugin) {
$this->_load_plugin($plugin);
}
}
/**
* Instantiate plugin
* @param $plugin_descriptor array('class_name' => '', 'enable_options' => '')
*/
private function _load_plugin($plugin_descriptor) {
$criteria = $plugin_descriptor['enable_options'];
if ($this->_criteria_matched($criteria)) {
$plugin = w3_instance($plugin_descriptor['class_name']);
$this->_loaded_plugins[] = $plugin;
}
}
private function _criteria_matched($criteria) {
if (is_array($criteria)){
$enabled = true;
$compare = '&&';
foreach ($criteria as $val) {
if (is_array($val)){
if ($val[1] == '!=') {
$enabled = $this->_compare_criteria_values($enabled, $this->_config->get_string($val[0]) != $val[2], $compare);
} elseif ($val[1] == '==') {
$enabled = $this->_compare_criteria_values($enabled, $this->_config->get_string($val[0]) == $val[2], $compare);
} else {
$enabled = $enabled || $this->_criteria_matched($val);
}
} elseif ($val != '||' && $val != '&&' ) {
$enabled = $this->_compare_criteria_values($enabled, $this->_config->get_boolean($val), $compare);
} else
$compare = $val;
}
} else {
$enabled = is_null($criteria) || $this->_config->get_boolean($criteria);
}
return $enabled;
}
private function _compare_criteria_values($val1, $val2, $compare) {
if ($compare == '||') {
return $val1 || $val2;
}
return $val1 && $val2;
}
/**
* Loads extensions stored in config
*/
function load_extensions() {
$extensions = $this->_config->get_array('extensions.active');
foreach($extensions as $extension => $path) {
if (file_exists(W3TC_EXTENSION_DIR . '/' . trim($path, '/')))
include W3TC_EXTENSION_DIR . '/' . trim($path, '/');
}
}
}
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