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<?php |
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declare(strict_types=1); |
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namespace AppUtils; |
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use Exception; |
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use Throwable; |
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class ConvertHelper_ThrowableInfo implements Interface_Optionable |
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{ |
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use Traits_Optionable; |
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const ERROR_NO_PREVIOUS_EXCEPTION = 43301; |
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const ERROR_INVALID_SERIALIZED_DATA_TYPE = 43302; |
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const FORMAT_HTML = 'html'; |
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const CONTEXT_COMMAND_LINE = 'cli'; |
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const CONTEXT_WEB = 'web'; |
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const SERIALIZED_CODE = 'code'; |
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const SERIALIZED_MESSAGE = 'message'; |
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const SERIALIZED_REFERER = 'referer'; |
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const SERIALIZED_CONTEXT = 'context'; |
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const SERIALIZED_AMOUNT_CALLS = 'amountCalls'; |
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const SERIALIZED_DATE = 'date'; |
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const SERIALIZED_PREVIOUS = 'previous'; |
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const SERIALIZED_CALLS = 'calls'; |
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const SERIALIZED_OPTIONS = 'options'; |
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/** |
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* @var Throwable |
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*/ |
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protected $exception; |
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/** |
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* @var ConvertHelper_ThrowableInfo_Call[] |
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*/ |
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protected $calls = array(); |
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/** |
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* @var integer |
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*/ |
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protected $code = 0; |
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/** |
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* @var string |
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*/ |
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protected $message; |
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/** |
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* @var integer |
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*/ |
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protected $callsCount = 0; |
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/** |
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* @var ConvertHelper_ThrowableInfo |
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*/ |
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protected $previous; |
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/** |
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* @var string |
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*/ |
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protected $referer = ''; |
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/** |
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* @var Microtime |
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*/ |
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protected $date; |
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/** |
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* @var string |
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*/ |
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protected $context = self::CONTEXT_WEB; |
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/** |
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* @param array<string,mixed>|Throwable $subject |
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*/ |
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protected function __construct($subject) |
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{ |
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if(is_array($subject)) |
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{ |
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$this->parseSerialized($subject); |
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} |
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else |
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{ |
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$this->parseException($subject); |
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} |
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} |
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public static function fromThrowable(Throwable $e) : ConvertHelper_ThrowableInfo |
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{ |
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return new ConvertHelper_ThrowableInfo($e); |
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} |
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/** |
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* @param array<string,mixed> $serialized |
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* @return ConvertHelper_ThrowableInfo |
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*/ |
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public static function fromSerialized(array $serialized) : ConvertHelper_ThrowableInfo |
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{ |
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return new ConvertHelper_ThrowableInfo($serialized); |
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} |
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public function getCode() : int |
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{ |
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return $this->code; |
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} |
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public function getMessage() : string |
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{ |
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return $this->message; |
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} |
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public function getDefaultOptions() : array |
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{ |
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return array( |
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'folder-depth' => 2 |
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); |
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} |
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public function hasPrevious() : bool |
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{ |
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return isset($this->previous); |
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} |
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/** |
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* Retrieves the information on the previous exception. |
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* |
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* NOTE: Throws an exception if there is no previous |
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* exception. Use hasPrevious() first to avoid this. |
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* |
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* @throws ConvertHelper_Exception |
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* @return ConvertHelper_ThrowableInfo |
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* @see ConvertHelper_ThrowableInfo::ERROR_NO_PREVIOUS_EXCEPTION |
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*/ |
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public function getPrevious() : ConvertHelper_ThrowableInfo |
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{ |
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if(isset($this->previous)) { |
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return $this->previous; |
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} |
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throw new ConvertHelper_Exception( |
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'Cannot get previous exception info: none available.', |
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'Always use hasPrevious() before using getPrevious() to avoid this error.', |
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self::ERROR_NO_PREVIOUS_EXCEPTION |
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); |
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} |
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public function hasCode() : bool |
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{ |
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return !empty($this->code); |
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} |
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/** |
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* Improved text-only exception trace. |
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*/ |
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public function toString() : string |
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{ |
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$calls = $this->getCalls(); |
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$string = 'Exception'; |
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if($this->hasCode()) { |
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$string .= ' #'.$this->code; |
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} |
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$string .= ': '.$this->getMessage().PHP_EOL; |
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foreach($calls as $call) |
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{ |
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$string .= $call->toString().PHP_EOL; |
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} |
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if($this->hasPrevious()) |
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{ |
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$string .= PHP_EOL.PHP_EOL. |
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'Previous error:'.PHP_EOL.PHP_EOL. |
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$this->previous->toString(); |
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} |
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return $string; |
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} |
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/** |
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* Retrieves the URL of the page in which the exception |
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* was thrown, if applicable: in CLI context, this will |
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* return an empty string. |
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* |
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* @return string |
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*/ |
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public function getReferer() : string |
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{ |
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return $this->referer; |
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} |
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/** |
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* Whether the exception occurred in a command line context. |
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* @return bool |
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*/ |
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public function isCommandLine() : bool |
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{ |
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return $this->getContext() === self::CONTEXT_COMMAND_LINE; |
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} |
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/** |
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* Whether the exception occurred during an http request. |
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* @return bool |
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*/ |
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public function isWebRequest() : bool |
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{ |
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return $this->getContext() === self::CONTEXT_WEB; |
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} |
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/** |
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* Retrieves the context identifier, i.e. if the exception |
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* occurred in a command line context or regular web request. |
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* |
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* @return string |
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* |
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* @see ConvertHelper_ThrowableInfo::isCommandLine() |
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* @see ConvertHelper_ThrowableInfo::isWebRequest() |
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* @see ConvertHelper_ThrowableInfo::CONTEXT_COMMAND_LINE |
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* @see ConvertHelper_ThrowableInfo::CONTEXT_WEB |
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*/ |
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public function getContext() : string |
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{ |
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return $this->context; |
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} |
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/** |
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* Retrieves the date of the exception, and approximate time: |
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* since exceptions do not store time, this is captured the |
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* moment the ThrowableInfo is created. |
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* |
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* @return Microtime |
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*/ |
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public function getDate() : Microtime |
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{ |
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return $this->date; |
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} |
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/** |
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* Serializes all information on the exception to an |
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* associative array. This can be saved (file, database, |
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* session...), and later be restored into a throwable |
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* info instance using the fromSerialized() method. |
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* |
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* @return array<string,mixed> |
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* @see ConvertHelper_ThrowableInfo::fromSerialized() |
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*/ |
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public function serialize() : array |
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{ |
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$result = array( |
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self::SERIALIZED_MESSAGE => $this->getMessage(), |
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self::SERIALIZED_CODE => $this->getCode(), |
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self::SERIALIZED_DATE => $this->date->getISODate(), |
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self::SERIALIZED_REFERER => $this->getReferer(), |
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self::SERIALIZED_CONTEXT => $this->getContext(), |
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self::SERIALIZED_AMOUNT_CALLS => $this->callsCount, |
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self::SERIALIZED_OPTIONS => $this->getOptions(), |
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self::SERIALIZED_CALLS => array(), |
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self::SERIALIZED_PREVIOUS => null, |
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); |
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if($this->hasPrevious()) { |
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$result[self::SERIALIZED_PREVIOUS] = $this->previous->serialize(); |
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} |
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foreach($this->calls as $call) |
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{ |
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$result[self::SERIALIZED_CALLS][] = $call->serialize(); |
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} |
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return $result; |
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} |
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/** |
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* Sets the maximum folder depth to show in the |
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* file paths, to avoid them being too long. |
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* |
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* @param int $depth |
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* @return ConvertHelper_ThrowableInfo |
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*/ |
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public function setFolderDepth(int $depth) : ConvertHelper_ThrowableInfo |
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{ |
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return $this->setOption('folder-depth', $depth); |
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} |
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/** |
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* Retrieves the current folder depth option value. |
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* |
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* @return int |
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* @see ConvertHelper_ThrowableInfo::setFolderDepth() |
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*/ |
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public function getFolderDepth() : int |
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{ |
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$depth = $this->getOption('folder-depth'); |
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if(!empty($depth)) { |
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return $depth; |
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} |
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return 2; |
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} |
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/** |
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* Retrieves all function calls that led to the error, |
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* ordered from latest to earliest (the first one in |
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* the stack is actually the last call). |
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* |
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* @return ConvertHelper_ThrowableInfo_Call[] |
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*/ |
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public function getCalls() |
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{ |
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return $this->calls; |
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} |
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/** |
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* Retrieves the last call that led to the error. |
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* |
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* @return ConvertHelper_ThrowableInfo_Call |
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*/ |
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public function getFinalCall() : ConvertHelper_ThrowableInfo_Call |
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{ |
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return $this->calls[0]; |
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} |
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/** |
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* Returns the amount of function and method calls in the stack trace. |
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* @return int |
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*/ |
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public function countCalls() : int |
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{ |
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return $this->callsCount; |
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} |
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/** |
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* @param array<string,mixed> $serialized |
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* @throws Exception |
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*/ |
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protected function parseSerialized(array $serialized) : void |
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{ |
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$this->validateSerializedData($serialized); |
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$this->date = new Microtime($serialized[self::SERIALIZED_DATE]); |
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$this->code = $serialized[self::SERIALIZED_CODE]; |
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$this->message = $serialized[self::SERIALIZED_MESSAGE]; |
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$this->referer = $serialized[self::SERIALIZED_REFERER]; |
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$this->context = $serialized[self::SERIALIZED_CONTEXT]; |
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$this->callsCount = $serialized[self::SERIALIZED_AMOUNT_CALLS]; |
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$this->setOptions($serialized[self::SERIALIZED_OPTIONS]); |
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if(!empty($serialized[self::SERIALIZED_PREVIOUS])) |
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{ |
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$this->previous = ConvertHelper_ThrowableInfo::fromSerialized($serialized[self::SERIALIZED_PREVIOUS]); |
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} |
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foreach($serialized[self::SERIALIZED_CALLS] as $def) |
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{ |
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$this->calls[] = ConvertHelper_ThrowableInfo_Call::fromSerialized($this, $def); |
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} |
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} |
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protected function parseException(Throwable $e) : void |
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{ |
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$this->date = new Microtime(); |
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$this->message = $e->getMessage(); |
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$code = $e->getCode(); |
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if(is_integer($code)) |
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{ |
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$this->code = $code; |
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} |
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else |
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{ |
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$this->message = 'Original error code: ['.$code.']. '; |
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} |
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if(!isset($_REQUEST['REQUEST_URI'])) { |
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$this->context = self::CONTEXT_COMMAND_LINE; |
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} |
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$previous = $e->getPrevious(); |
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if(!empty($previous)) { |
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$this->previous = ConvertHelper::throwable2info($previous); |
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} |
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if(isset($_SERVER['REQUEST_URI'])) { |
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$this->referer = $_SERVER['REQUEST_URI']; |
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} |
395
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$trace = $e->getTrace(); |
397
|
|
|
|
398
|
|
|
// add the origin file as entry |
399
|
|
|
array_unshift($trace, array( |
400
|
|
|
'file' => $e->getFile(), |
401
|
|
|
'line' => $e->getLine() |
402
|
|
|
)); |
403
|
|
|
|
404
|
|
|
$idx = 1; |
405
|
|
|
|
406
|
|
|
foreach($trace as $entry) |
407
|
|
|
{ |
408
|
|
|
$this->calls[] = ConvertHelper_ThrowableInfo_Call::fromTrace($this, $idx, $entry); |
409
|
|
|
|
410
|
|
|
$idx++; |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
// we want the last function call first |
414
|
|
|
$this->calls = array_reverse($this->calls, false); |
415
|
|
|
|
416
|
|
|
$this->callsCount = count($this->calls); |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* Retrieves the class name of the exception. |
421
|
|
|
* |
422
|
|
|
* @return string |
423
|
|
|
*/ |
424
|
|
|
public function getClass() : string |
425
|
|
|
{ |
426
|
|
|
return get_class($this->exception); |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
/** |
430
|
|
|
* Converts the exception's information into a human- |
431
|
|
|
* readable string containing the exception's essentials. |
432
|
|
|
* |
433
|
|
|
* It includes any previous exceptions as well, recursively. |
434
|
|
|
* |
435
|
|
|
* @param bool $withDeveloperInfo Whether to include developer-specific info |
436
|
|
|
* when available (which may include sensitive |
437
|
|
|
* information). |
438
|
|
|
* @return string |
439
|
|
|
* @throws ConvertHelper_Exception |
440
|
|
|
*/ |
441
|
|
|
public function renderErrorMessage(bool $withDeveloperInfo=false) : string |
442
|
|
|
{ |
443
|
|
|
$finalCall = $this->getFinalCall(); |
444
|
|
|
|
445
|
|
|
$message = sb() |
446
|
|
|
->t('A %1$s exception occurred.', $this->getClass()) |
447
|
|
|
->eol() |
448
|
|
|
->t('Code:') |
449
|
|
|
->add($this->getCode()) |
450
|
|
|
->t('Message:') |
451
|
|
|
->add($this->getMessage()); |
452
|
|
|
|
453
|
|
|
if($withDeveloperInfo) |
454
|
|
|
{ |
455
|
|
|
$message |
456
|
|
|
->eol() |
457
|
|
|
->t('Final call:') |
458
|
|
|
->add($finalCall->toString()); |
459
|
|
|
} |
460
|
|
|
|
461
|
|
|
if($withDeveloperInfo && $this->hasDetails()) |
462
|
|
|
{ |
463
|
|
|
$message |
464
|
|
|
->t('Developer details:') |
465
|
|
|
->eol() |
466
|
|
|
->add($this->getDetails()); |
467
|
|
|
} |
468
|
|
|
|
469
|
|
|
$previous = $this->getPrevious(); |
470
|
|
|
|
471
|
|
|
if($previous !== null) |
472
|
|
|
{ |
473
|
|
|
$message |
474
|
|
|
->eol() |
475
|
|
|
->eol() |
476
|
|
|
->t('Previous exception:') |
477
|
|
|
->eol() |
478
|
|
|
->add($previous->renderErrorMessage($withDeveloperInfo)); |
479
|
|
|
} |
480
|
|
|
|
481
|
|
|
return (string)$message; |
482
|
|
|
} |
483
|
|
|
|
484
|
|
|
public function getDetails() : string |
485
|
|
|
{ |
486
|
|
|
if($this->exception instanceof BaseException) |
487
|
|
|
{ |
488
|
|
|
return $this->exception->getDetails(); |
489
|
|
|
} |
490
|
|
|
|
491
|
|
|
return ''; |
492
|
|
|
} |
493
|
|
|
|
494
|
|
|
public function hasDetails() : bool |
495
|
|
|
{ |
496
|
|
|
return $this->exception instanceof BaseException; |
497
|
|
|
} |
498
|
|
|
|
499
|
|
|
public function __toString() |
500
|
|
|
{ |
501
|
|
|
return $this->toString(); |
502
|
|
|
} |
503
|
|
|
|
504
|
|
|
private function validateSerializedData(array $serialized) |
505
|
|
|
{ |
506
|
|
|
$keys = array( |
507
|
|
|
self::SERIALIZED_CODE => 'integer', |
508
|
|
|
self::SERIALIZED_MESSAGE => 'string', |
509
|
|
|
self::SERIALIZED_DATE => 'string', |
510
|
|
|
self::SERIALIZED_REFERER => 'string', |
511
|
|
|
self::SERIALIZED_CONTEXT => 'string', |
512
|
|
|
self::SERIALIZED_AMOUNT_CALLS => 'integer', |
513
|
|
|
self::SERIALIZED_OPTIONS => 'array', |
514
|
|
|
self::SERIALIZED_CALLS => 'array' |
515
|
|
|
); |
516
|
|
|
|
517
|
|
|
foreach($keys as $key => $type) |
518
|
|
|
{ |
519
|
|
|
if(!isset($serialized[$key]) || gettype($serialized[$key]) !== $type) |
520
|
|
|
{ |
521
|
|
|
throw $this->createTypeException($key, $type); |
522
|
|
|
} |
523
|
|
|
} |
524
|
|
|
} |
525
|
|
|
|
526
|
|
|
private function createTypeException(string $keyName, string $expectedType) : ConvertHelper_Exception |
527
|
|
|
{ |
528
|
|
|
return new ConvertHelper_Exception( |
529
|
|
|
'Invalid serialized throwable key', |
530
|
|
|
sprintf( |
531
|
|
|
'The key [%s] does not have the expected data type [%s].', |
532
|
|
|
$keyName, |
533
|
|
|
$expectedType |
534
|
|
|
), |
535
|
|
|
self::ERROR_INVALID_SERIALIZED_DATA_TYPE |
536
|
|
|
); |
537
|
|
|
} |
538
|
|
|
} |
539
|
|
|
|