/**
* Test callback usage with another function
*/
public function testSplitOnCharCallbackNumeric()
{
$result = MUtil_String::splitOnCharCallback('ab1cD2ef', 'is_numeric');
$test[0] = 'ab';
$test[1] = '1cD';
$test[2] = '2ef';
$this->assertEquals($result, $test);
}
