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<?php
declare(strict_types=1);
namespace Ray\Di\Exception;
use Exception;
use LogicException;
use function array_pop;
use function array_reverse;
use function get_class;
use function implode;
use function sprintf;
class Unbound extends LogicException implements ExceptionInterface
{
public function __toString(): string
$messages = [sprintf("- %s\n", $this->getMessage())];
$e = $this->getPrevious();
if (! $e instanceof Exception) {
$e
Exception
return $this->getMainMessage($this);
}
if ($e instanceof self) {
return $this->buildMessage($e, $messages) . "\n" . $e->getTraceAsString();
return parent::__toString();
/**
* @param array<int, string> $msg
*/
private function buildMessage(self $e, array $msg): string
$lastE = $e;
while ($e instanceof self) {
$msg[] = sprintf("- %s\n", $e->getMessage());
$e = $e->getPrevious();
array_pop($msg);
$msg = array_reverse($msg);
return $this->getMainMessage($lastE) . implode('', $msg);
private function getMainMessage(self $e): string
return sprintf(
"exception '%s' with message '%s'\n",
get_class($e),
$e->getMessage()
);
koriym /
Ray.Di
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