array_map

class 
{
    function gets_filename_prefix1($filepath)
    {
        $filename = basename( $filepath );
        $arr = explode(".",$filename);
        $parameter = $arr[count($arr)-1];
        $name  = str_replace(".".$parameter,"",$filename);
        return $name;
    }
    function xxxx()
    {
        $url_arr = array (
            0 => '/Users/jayding/Projects/livsns/uploads/ziptmp/1499244509/test/3.jpg',
            1 => '/Users/jayding/Projects/livsns/uploads/ziptmp/1499244509/test/2.jpeg',
            2 => '/Users/jayding/Projects/livsns/uploads/ziptmp/1499244509/test/1.jpg',
        );

        $info_arr_prefix  = array_map(array('material', 'gets_filename_prefix1'), $url_arr);
        print_r($info_arr_prefix);
    }
}
$a = new material;
$a->xxxx();