flight = $flight; parent::__construct( 409, 'A bid already exists for this flight' ); } /** * Return the RFC 7807 error type (without the URL root) */ public function getErrorType(): string { return 'bid-exists'; } /** * Get the detailed error string */ public function getErrorDetails(): string { return $this->getMessage(); } /** * Return an array with the error details, merged with the RFC7807 response */ public function getErrorMetadata(): array { return [ 'flight_id' => $this->flight->id, ]; } }