John Davidson

I would like to make a program which can calculate first 5000 primary numbers whos ends with 9 :

I tried this but it didn't work :

$div9 = [];

$x = 2;





while (count($div9) <= 5000) {

    function findPrime($x)

    {

        for ($i = 2; $i < ($x / 2); $i++) {

            $rest = $x % $i;

            if ($rest == 0) {

                break;

            }

        }

        return $x;

    }



    $primeList[] = $x;



    for ($j = 0; $j < count($primeList); $j++) {

        $array = array_map('intval', str_split($primeList[$j]));

        if (end($array[$j]) === 9) {

            return $primeList[$j];

            $div9[] = $primeList[$j];

        }

    }





    $x++;

}

any hints please?