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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\ErrorHandler\Exception; |
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use Exception; |
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use ReflectionProperty; |
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use Yiisoft\FriendlyException\FriendlyExceptionInterface; |
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use function array_slice; |
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use function in_array; |
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use function function_exists; |
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/** |
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* `ErrorException` represents a PHP error. |
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* @psalm-type DebugBacktraceType = list<array{args?:list<mixed>,class?:class-string,file?:string,function:string,line?:int,object?:object,type?:string}> |
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*/ |
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class ErrorException extends \ErrorException implements FriendlyExceptionInterface |
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{ |
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/** |
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* @psalm-suppress MissingClassConstType Private constants never change. |
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*/ |
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private const ERROR_NAMES = [ |
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E_ERROR => 'PHP Fatal Error', |
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E_WARNING => 'PHP Warning', |
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E_PARSE => 'PHP Parse Error', |
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E_NOTICE => 'PHP Notice', |
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E_CORE_ERROR => 'PHP Core Error', |
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E_CORE_WARNING => 'PHP Core Warning', |
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E_COMPILE_ERROR => 'PHP Compile Error', |
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E_COMPILE_WARNING => 'PHP Compile Warning', |
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E_USER_ERROR => 'PHP User Error', |
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E_USER_WARNING => 'PHP User Warning', |
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E_USER_NOTICE => 'PHP User Notice', |
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E_STRICT => 'PHP Strict Warning', |
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E_RECOVERABLE_ERROR => 'PHP Recoverable Error', |
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E_DEPRECATED => 'PHP Deprecated Warning', |
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E_USER_DEPRECATED => 'PHP User Deprecated Warning', |
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]; |
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/** @psalm-param DebugBacktraceType $backtrace */ |
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public function __construct(string $message = '', int $code = 0, int $severity = 1, string $filename = __FILE__, int $line = __LINE__, Exception $previous = null, private array $backtrace = []) |
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{ |
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parent::__construct($message, $code, $severity, $filename, $line, $previous); |
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$this->addXDebugTraceToFatalIfAvailable(); |
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} |
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/** |
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* Returns if error is one of fatal type. |
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* |
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* @param array $error error got from error_get_last() |
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* |
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* @return bool If error is one of fatal type. |
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*/ |
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public static function isFatalError(array $error): bool |
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{ |
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return isset($error['type']) && in_array( |
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$error['type'], |
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[E_ERROR, E_PARSE, E_CORE_ERROR, E_CORE_WARNING, E_COMPILE_ERROR, E_COMPILE_WARNING], |
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true, |
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); |
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} |
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/** |
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* @return string The user-friendly name of this exception. |
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*/ |
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public function getName(): string |
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{ |
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return self::ERROR_NAMES[$this->getCode()] ?? 'Error'; |
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} |
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public function getSolution(): ?string |
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{ |
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return null; |
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} |
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/** |
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* @psalm-return DebugBacktraceType |
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*/ |
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public function getBacktrace(): array |
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{ |
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return $this->backtrace; |
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} |
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/** |
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* Fatal errors normally do not provide any trace making it harder to debug. In case XDebug is installed, we |
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* can get a trace using `xdebug_get_function_stack()`. |
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*/ |
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private function addXDebugTraceToFatalIfAvailable(): void |
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{ |
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if ($this->isXdebugStackAvailable()) { |
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/** |
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* XDebug trace can't be modified and used directly with PHP 7 |
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* |
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* @see https://github.com/yiisoft/yii2/pull/11723 |
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* |
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* @psalm-var array<int,array> |
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*/ |
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$xDebugTrace = array_slice(array_reverse(xdebug_get_function_stack()), 1, -1); |
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$trace = []; |
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foreach ($xDebugTrace as $frame) { |
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if (!isset($frame['function'])) { |
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$frame['function'] = 'unknown'; |
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} |
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// XDebug < 2.1.1: https://bugs.xdebug.org/view.php?id=695 |
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if (!isset($frame['type']) || $frame['type'] === 'static') { |
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$frame['type'] = '::'; |
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} elseif ($frame['type'] === 'dynamic') { |
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$frame['type'] = '->'; |
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} |
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// XDebug has a different key name |
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if (isset($frame['params']) && !isset($frame['args'])) { |
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/** @var mixed */ |
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$frame['args'] = $frame['params']; |
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} |
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$trace[] = $frame; |
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} |
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$ref = new ReflectionProperty(Exception::class, 'trace'); |
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$ref->setAccessible(true); |
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$ref->setValue($this, $trace); |
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} |
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} |
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/** |
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* Ensures that Xdebug stack trace is available based on Xdebug version. |
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* Idea taken from developer bishopb at https://github.com/rollbar/rollbar-php |
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*/ |
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private function isXdebugStackAvailable(): bool |
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{ |
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if (!function_exists('\xdebug_get_function_stack')) { |
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return false; |
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} |
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// check for Xdebug being installed to ensure origin of xdebug_get_function_stack() |
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$version = phpversion('xdebug'); |
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if ($version === false) { |
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return false; |
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} |
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// Xdebug 2 and prior |
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if (version_compare($version, '3.0.0', '<')) { |
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return true; |
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} |
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// Xdebug 3 and later, proper mode is required |
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return str_contains(ini_get('xdebug.mode'), 'develop'); |
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} |
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} |
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yiisoft /
error-handler
