ErrorHandler is configured as an application component in Application by default.
You can access that instance via Yii::$app->errorHandler.
For more details and usage information on ErrorHandler, see the guide article on handling errors.
/**
* PHP magic method that returns the string representation of this object.
* @return string the string representation of this object.
*/
public function __toString()
{
// __toString cannot throw exception
// use trigger_error to bypass this limitation
try {
return $this->toString();
} catch (\Exception $e) {
ErrorHandler::convertExceptionToError($e);
return '';
}
}
public function init()
{
parent::init();
$this->parseParams();
//初始化解析参数
//重写exception handler
set_exception_handler(function ($e) {
//捕获错误信息
$this->exception = \yii\base\ErrorHandler::convertExceptionToString($e);
});
//重写register_shutdown
register_shutdown_function(function () {
//非致命错误脚本结束写日志
$task = isset($this->data['task']) ? $this->data['task'] : '';
$task_id = isset($this->data['info']['task_id']) ? $this->data['info']['task_id'] : 0;
$orgcode = isset($this->data['info']['orgcode']) ? $this->data['info']['orgcode'] : '';
$task_type = isset($this->data['info']['task_type']) ? $this->data['info']['task_type'] : '';
$start_time = isset($this->data['info']['start_time']) ? $this->data['info']['start_time'] : '';
$msg = [];
$msg['info'] = $this->loginfo['info'];
$msg['exitStatus'] = \Yii::$app->response->exitStatus;
if (isset($this->data['retry_times'])) {
$msg['retry_times'] = $this->data['retry_times'];
}
$end_time = date('Y-m-d H:i:s');
if ($this->exception) {
$msg['exitStatus'] = 1;
$IsSuccess = 0;
} elseif ($msg['exitStatus'] == 0) {
$IsSuccess = 1;
} elseif ($msg['exitStatus'] == 1) {
$IsSuccess = 0;
}
$this->task_log($task_id, $orgcode, $task, $task_type, $start_time, $end_time, $msg, $IsSuccess, $this->exception);
if ($IsSuccess) {
//成功则更细
$this->updateTaskStatus($task_id, ['progress' => 0, 'retry_times' => 0]);
//更新任务状态
} else {
//失败则更新
$retry_times = isset($this->data['retry_times']) ? $this->data['retry_times'] : 0;
// $this->updateTaskStatus($task_id,['retry_times'=>$retry_times]); //更新任务状态,重试次数
$this->updateTaskStatus($task_id, ['progress' => 0, 'retry_times' => 0]);
//更新任务状态
}
if ($this->exception) {
echo $this->exception, PHP_EOL;
exit(1);
}
});
}
public function init()
{
parent::init();
$this->parseParams();
//初始化解析参数
//重写exception handler
set_exception_handler(function ($e) {
//捕获错误信息,stack信息
$this->exception = \yii\base\ErrorHandler::convertExceptionToString($e);
});
//重写register_shutdown
register_shutdown_function(function () {
//非致命错误脚本结束写日志
//完成处理log对象
if ($this->exception) {
//异常处理模式跟`return 1`一样
echo $this->exception, PHP_EOL;
exit(1);
}
});
}
/**
* PHP magic method that returns the string representation of this object.
* @see [[$toStringFormat]]
* @see [[$toStringScheme]]
* @return string the url of this file.
*/
public function __toString()
{
// __toString cannot throw exception
// use trigger_error to bypass this limitation
try {
if ($this->status === self::STATUS_INITIALIZED_FILE) {
return $this->getUrl($this->toStringFormat, $this->toStringScheme);
} else {
// when validator is generating errors for just uploaded file
// it adds file object to translation params,
// but the file cannot get url for just uploaded file
$name = $this->getName();
return $name === null ? '' : $name;
}
} catch (\Exception $e) {
ErrorHandler::convertExceptionToError($e);
return '';
}
}
/**
* Dispatches the logged messages to [[targets]].
* @param array $messages the logged messages
* @param boolean $final whether this method is called at the end of the current application
*/
public function dispatch($messages, $final)
{
$targetErrors = [];
foreach ($this->targets as $target) {
if ($target->enabled) {
try {
$target->collect($messages, $final);
} catch (\Exception $e) {
$target->enabled = false;
$targetErrors[] = ['Unable to send log via ' . get_class($target) . ': ' . ErrorHandler::convertExceptionToString($e), Logger::LEVEL_WARNING, __METHOD__, microtime(true), []];
}
}
}
if (!empty($targetErrors)) {
$this->dispatch($targetErrors, true);
}
}
/**
* Session write handler.
* Do not call this method directly.
* @param string $id session ID
* @param string $data session data
* @return boolean whether session write is successful
*/
public function writeSession($id, $data)
{
// exception must be caught in session write handler
// http://us.php.net/manual/en/function.session-set-save-handler.php
try {
$this->db->getCollection($this->sessionCollection)->update(['id' => $id], $this->composeFields($id, $data), ['upsert' => true]);
} catch (\Exception $e) {
$exception = ErrorHandler::convertExceptionToString($e);
// its too late to use Yii logging here
error_log($exception);
echo $exception;
return false;
}
return true;
}
public function __toString()
{
$this->addField();
// __toString cannot throw exception
// use trigger_error to bypass this limitation
try {
return $this->render();
} catch (\Exception $e) {
\yii\base\ErrorHandler::convertExceptionToError($e);
return '';
}
}
/**
* Rotates image if need.
* @param string $readFilePath path to file that must be checked and rotated (if need).
* @param string|null|false $extension extension for new temp file.
* Default is false, meaning extension must be parsed from `$readFilePath` file.
* @return string|null new temp file path, or null if rotating is not necessary.
*/
protected function rotateImage($readFilePath, $extension = false)
{
try {
$result = ImageHelper::normalizeRotating($readFilePath);
if (!$result) {
return null;
}
if ($extension === false) {
$extension = $this->parseFileExtension($readFilePath);
}
$tempFile = FileSystemHelper::getNewTempFilename($extension);
$result->save($tempFile, $this->saveOptions);
return $tempFile;
} catch (\Exception $ex) {
Yii::error('Cannot normalize rotating. ' . ErrorHandler::convertExceptionToString($ex), __METHOD__);
return null;
}
}
