cyclicAlpha

cyclicAlpha

public function cyclicAlpha($size,$n=0){
        $arr = range('A','Z');
        $gen = [];
        $cnt = 0;
        $strlen = 1;
        for($i=$n;$i<=$size;$i++){
            if($cnt >= sizeof($arr)){
                $cnt=0;
            }
            // echo $strlen;
            $addStr = "";
            if($strlen>1){
                $addStr.=$arr[$strlen-2];
            }
            if(($i+1) % sizeof($arr)  == 0){
                $strlen++;
            }
            $addStr .= $arr[$cnt];
            $gen[] = $addStr;
            $cnt++;
            $n++;
        }

        return $gen;
    }