Viewing file:  ModuleStatus.php (4.29 KB) -rw-rw-rw-
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<?php
class W3_ModuleStatus {
private $_opcode_engines = array(
'apc',
'eaccelerator',
'xcache',
'wincache'
);
private $_file_engines = array(
'file',
'file_generic'
);
/**
* @var W3_Config
*/
private $_config;
public function __construct() {
$this->_config = w3_instance('W3_Config');
}
/**
* @return bool
*/
public function plugin_is_enabled() {
return $this->is_enabled('pgcache')
|| $this->is_enabled('minify')
|| $this->is_enabled('dbcache')
|| $this->is_enabled('objectcache')
|| $this->is_enabled('browsercache')
|| $this->is_enabled('cdn')
|| $this->is_enabled('varnish')
|| $this->is_enabled('newrelic')
|| $this->is_enabled('fragmentcache');
}
/**
* @param $module
* @return bool
*/
public function is_enabled($module) {
return $this->_config->get_boolean("$module.enabled");
}
/**
* Verifies that the module is actually running and not only enabled.
* @param $module
* @return mixed|void
*/
public function is_running($module) {
return apply_filters("w3tc_module_is_running-{$module}", $this->is_enabled($module));
}
/**
* @return bool
*/
public function all_modules_enabled() {
return $this->is_enabled('pgcache')
&& $this->is_enabled('minify')
&& $this->is_enabled('dbcache')
&& $this->is_enabled('objectcache')
&& $this->is_enabled('browsercache')
&& $this->is_enabled('cdn')
&& $this->is_enabled('varnish')
&& $this->is_enabled('fragmentcache');
}
/**
* @return bool
*/
public function can_empty_memcache() {
return $this->_enabled_module_uses_engine('pgcache', 'memcached')
|| $this->_enabled_module_uses_engine('dbcache', 'memcached')
|| $this->_enabled_module_uses_engine('objectcache', 'memcached')
|| $this->_enabled_module_uses_engine('minify', 'memcached')
|| $this->_enabled_module_uses_engine('fragmentcache', 'memcached');
}
/**
* @return bool
*/
public function can_empty_opcode() {
return $this->_enabled_module_uses_engine('pgcache', $this->_opcode_engines)
|| $this->_enabled_module_uses_engine('dbcache', $this->_opcode_engines)
|| $this->_enabled_module_uses_engine('objectcache', $this->_opcode_engines)
|| $this->_enabled_module_uses_engine('minify', $this->_opcode_engines)
|| $this->_enabled_module_uses_engine('fragmentcache', $this->_opcode_engines);
}
/**
* @return bool
*/
public function can_empty_file() {
return $this->_enabled_module_uses_engine('pgcache', $this->_file_engines)
|| $this->_enabled_module_uses_engine('dbcache', $this->_file_engines)
|| $this->_enabled_module_uses_engine('objectcache', $this->_file_engines)
|| $this->_enabled_module_uses_engine('minify', $this->_file_engines)
|| $this->_enabled_module_uses_engine('fragmentcache', $this->_file_engines);
}
/**
* @return bool
*/
public function can_empty_apc_system() {
return function_exists('apc_clear_cache') && ini_get('apc.stat') == '0';
}
/**
* @return mixed
*/
public function can_empty_varnish() {
return $this->_config->get_boolean('varnish.enabled');
}
/**
* @param $module
* @return mixed
*/
public function get_module_engine($module) {
return $this->_config->get_string("$module.engine");
}
private function _enabled_module_uses_engine($module, $engine) {
if (is_array($engine))
return $this->is_enabled($module) && in_array($this->get_module_engine($module), $engine);
else
return $this->is_enabled($module) && $this->get_module_engine($module) == $engine;
}
}
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