Returns a PHPUnit_Framework_Constraint_Xor matcher object.
@since Method available since Release 3.0.0
PHPUnit_Framework_Constraint_Xor
public static function logicalXor() {
$constraints = func_get_args();
$constraint = new PHPUnit_Framework_Constraint_Xor();
$constraint
->setConstraints($constraints);
return $constraint;
}