$message = sprintf('Try changing the type-hint%s to one of its parents: ', $extraContext);
for ($i = 0, --$len; $i < $len; ++$i) {
$message .= sprintf('%s "%s", ', class_exists($aliases[$i], false) ? 'class' : 'interface', $aliases[$i]);
$message = sprintf('Try changing the type-hint%s to one of its parents: ', $extraContext);
for ($i = 0, --$len; $i < $len; ++$i) {
$message .= sprintf('%s "%s", ', class_exists($aliases[$i], false) ? 'class' : 'interface', $aliases[$i]);