/**
* Prints the message of the Exception if it's not null.
*/
function printMessage(Exception $t)
{
print $t->getMessage() . "\n";
if (self::getMsgOutputLevel() === PROJECT_MSG_DEBUG) {
print $t->getTraceAsString() . "\n";
if ($t instanceof Exception) {
$c = $t->getCause();
if ($c !== null) {
print "Wrapped exception trace:\n";
print $c->getTraceAsString() . "\n";
}
}
}
// if output level is DEBUG
}
