All Sliders Revolution in an array - "alias => title"

<?php
    //Create a function to get all available sliders in an array: "alias => title"
    function all_rev_sliders_in_array(){
        if (class_exists('RevSlider')) {
            $theslider  = new RevSlider();
            $arrSliders = $theslider->getArrSliders();
            $arrA   = array();
            $arrT   = array();
            foreach($arrSliders as $slider){
                $arrA[]     = $slider->getAlias();
                $arrT[]     = $slider->getTitle();
            }
            $result = array_combine($arrA, $arrT);
            return $result;
        }
    }

    //OK, show me what is there!
    echo '<pre>';
    print_r ( all_rev_sliders_in_array() );
    echo '</pre>';
?>