OSX case sensitivity.

    $className = "Monolog\Logger";
    $lowerCase = mb_strtolower($className);

    try{
        $reflectionClass = new ReflectionClass($lowerCase);
        echo "reflectionClass = : ".$reflectionClass."\n";
    }
    catch (Exception $e){
        echo "Class doesn't exist: " . $e->getMessage()."\n";
    }

    try {
        $reflectionClass = new ReflectionClass($className);
        echo "But this works.\n";

        $reflectionClass = new ReflectionClass($lowerCase);
        echo "And now so does this.\n";
    }
    catch(Exception $e) {
        echo "Class doesn't exist: " . $e->getMessage()."\n";
    }

    // The above outputs:
    //
    // Class doesn't exist: Class monolog\logger does not exist
    // But this works.
    // And now so does this.