/**
* Wraps __toString in a trait to avoid some fatals.
*/
trait ToStringTrait
{ /**
* Implements the magic __toString() method.
*/
public function __toString() { try { return (string) $this->
render();
} catch (\Exception
$e) { // User errors in __toString() methods are considered fatal in the Drupal
// error handler.
trigger_error(get_class($e) . ' thrown while calling __toString on a ' .
static::
class D ' object in ' .
$e->
getFile() . ' on line ' .
$e->
getLine() . ': ' .
$e->
getMessage(), E_USER_ERROR
);
// In case we are using another error handler that did not fatal on the
// E_USER_ERROR, we terminate execution. However, for test purposes allow
// a return value.
return $this->
_die();
} }