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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\console\controllers;
use Yii;
use yii\console\Controller;
use yii\console\Exception;
use yii\caching\Cache;
/**
* This command allows you to flush cache.
*
* @author Alexander Makarov <sam@rmcreative.ru>
* @since 2.0
*/
class CacheController extends Controller
{
/**
* Lists the caches that can be flushed.
*/
public function actionIndex()
{
$caches = array();
$components = Yii::$app->getComponents();
foreach ($components as $name => $component) {
if ($component instanceof Cache) {
$caches[$name] = get_class($component);
} elseif (is_array($component) && isset($component['class']) && strpos($component['class'], 'Cache') !== false) {
$caches[$name] = $component['class'];
}
}
if (!empty($caches)) {
echo "The following caches can be flushed:\n\n";
foreach ($caches as $name => $class) {
echo " * $name: $class\n";
}
} else {
echo "No cache is used.\n";
}
}
/**
* Flushes cache.
* @param string $component Name of the cache application component to use.
*
* @throws \yii\console\Exception
*/
public function actionFlush($component = 'cache')
{
/** @var $cache Cache */
$cache = Yii::$app->getComponent($component);
if (!$cache || !$cache instanceof Cache) {
throw new Exception('Application component "'.$component.'" is not defined or not a cache.');
}
if (!$cache->flush()) {
throw new Exception('Unable to flush cache.');
}
echo "\nDone.\n";
}
}