{"id":218471,"date":"2014-04-07T11:16:02","date_gmt":"2014-04-07T07:16:02","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=218471"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=218471","title":{"rendered":"\u0423\u0441\u043a\u043e\u0440\u044f\u0435\u043c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u043d\u0430 PHP \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0438<\/span>"},"content":{"rendered":"
\n

\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430<\/h4>\n

\u0427\u0430\u0441\u0442\u043e \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043f\u0438\u0441\u0430\u0442\u044c \u0442\u0430\u043a (\u043f\u0440\u0438\u043c\u0435\u0440\u044b \u043a\u043e\u0434\u0430 \u043d\u0430 Yii, \u043d\u043e \u043f\u043e\u0434\u0445\u043e\u0434 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u043a \u043b\u044e\u0431\u043e\u043c\u0443 \u043a\u043e\u0434\u0443): <\/p>\n

$model = new User(); $model->name = '\u0412\u0430\u0441\u044f'; if (!$model->save())     throw new RuntimeException('Can not save!'); <\/code><\/pre>\n
  \u0418\u043b\u0438 \u0442\u0430\u043a:  <\/p>\n
$model = User::model()->find(); if (!$model)     throw new CHttpException(404, 'User not found!'); <\/code><\/pre>\n
  \u041a\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435:  <\/p>\n
$dependency = new \\caching\\TagDependency('Post'); $posts = Post::model()->cache(1000, $dependency)->findAll(); <\/code><\/pre>\n
  \u0422\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438:  <\/p>\n
$trx = $this->getDbConnection()->beginTransaction(); try {     if (!$user->makePayment())         throw new \\RuntimeException('Can not complete!');      $trx->commit(); } catch (\\Exception $e) {     $trx->rollback();      throw $e; } <\/code><\/pre>\n
  \u0421\u043b\u0438\u0448\u043a\u043e\u043c \u043c\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430!<\/b><\/p>\n
\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/h4>\n
  \u0412\u044b\u0448\u0435\u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0435 \u043a\u0443\u0441\u043a\u0438 \u043a\u043e\u0434\u0430 \u043c\u043e\u0436\u043d\u043e \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u0434\u043e:
  \u0412\u043e\u0437\u0431\u0443\u0436\u0434\u0430\u0435\u043c \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043d\u0435\u0443\u0434\u0430\u0447\u043d\u043e\u0433\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430:  <\/p>\n
$model->saveException(); User::model()->findException(); Post::model()->findAllCached(); <\/code><\/pre>\n
  \u041e\u0431\u043e\u0440\u0430\u0447\u0438\u0432\u0430\u0435\u043c \u043c\u0435\u0442\u043e\u0434 \u0432 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044e:  <\/p>\n
$user->makePaymentTrx(); <\/code><\/pre>\n
  \u0422\u0430\u043a\u0436\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u0438:  <\/p>\n
User::model()->findTrxCached() <\/code><\/pre>\n
  <\/a><\/p>\n
\u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c?<\/h4>\n
  \u041d\u0430 Yii \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u0441\u0432\u043e\u0439 \u043a\u043b\u0430\u0441\u0441 ActiveRecord \u0438 \u043d\u0430\u0441\u043b\u0435\u0434\u0443\u0435\u043c \u043e\u0442 \u043d\u0435\u0433\u043e \u0441\u0432\u043e\u0438 \u043c\u043e\u0434\u0435\u043b\u0438:  <\/p>\n
class ActiveRecord extends CActiveRecord { \tpublic function __call($name, $args) \t{ \t\tif (preg_match('\/^(.+)(cached|exception|trx)$\/i', $name, $matches)) { \t\t\tswitch (strtolower($matches[2])) { \t\t\t\tcase 'cached': \t\t\t\t\treturn $this->cachedMethod($matches[1], $args); \t\t\t\tcase 'exception': \t\t\t\t\treturn $this->exceptionMethod($matches[1], $args); \t\t\t\tcase 'trx': \t\t\t\t\treturn $this->trxMethod($matches[1], $args); \t\t\t} \t\t\t \t\t}  \t\treturn parent::__call($name, $args); \t}  \tpublic function trxMethod($method, $args) \t{ \t\t$trx = $this->getDbConnection()->beginTransaction(); \t\ttry { \t\t\t$value = call_user_func_array(array($this, $method), $args);  \t\t\t$trx->commit(); \t\t} catch (\\Exception $e) { \t\t\t$trx->rollback();  \t\t\tthrow $e; \t\t}  \t\treturn $value; \t}  \tpublic function exceptionMethod($method, $args) \t{\t \t\t$value = call_user_func_array(array($this, $method), $args); \t\t \t\tif (!$value) \t\t\tthrow new Exception('False result!'); \t\t \t\treturn $value; \t} \t \tpublic function cachedMethod($method, $args) \t{ \t\t$key = get_class($this) . $method . serialize($this->getPrimaryKey()) .  serialize($args) . serialize($this->getDbCriteria()); \t\t$key = md5($key);  \t\t$value = \\Yii::app()->cache->get($key);  \t\tif ($value === false) { \t\t\t$value = call_user_func_array(array($this, $method), $args); \t\t\t\\Yii::app()->cache->set($key, $value, 0, new \\caching\\TagDependency(get_class($this))); \t\t} else { \t\t\t\/\/reset scope as in find*() methods \t\t\t$this->resetScope(); \t\t}  \t\treturn $value; \t} } <\/code><\/pre>\n
  \u041e\u0441\u043d\u043e\u0432\u0430 \u043c\u0435\u0442\u043e\u0434\u0430 \u2014 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u043e\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435:  <\/p>\n
preg_match('\/^(.+)(cached|exception|trx)$\/i', $name, $matches) <\/code><\/pre>\n
  \u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0441\u044e\u0434\u0430 \u0441\u0432\u043e\u0438 \u0441\u0443\u0444\u0444\u0438\u043a\u0441\u044b.<\/p>\n
\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430:<\/h4>\n
  <\/p>\n