PHP: Coin Toss Script

/**
     *
     * Name coinToss
     * @return string
     * @author RapidMod.com
     * @author 813.330.0522
     *
     */
function coinToss(){
        $counts = array("Heads"=>0,"Tails"=>0);
        $opts = array(1=>"Heads",2=>"Tails");
        $numOpts = random_int(5,12);
        $optCount = 0;
        $odds=array();
        while ($optCount < $numOpts){
            $optCount++;
            $key = random_int(1,2);
            $counts[$opts[$key]]++;
            $odds[$optCount] = $opts[$key];
        }
        $selected = $key;
        $key = random_int(1,$numOpts);
        return $odds[$key];
    }