PHP - check if number is prime

Question

I\'m trying to create a function which checks whether the number is prime or not. BUT I want this function to echo to the user \'prime\' or \'NOT prime\' - and that\'s where my

Answer 1

Put else part otherwise it will always return Prime

    for ($i = 2; $i < $num; $i++)
{
    if ($num % $i == 0)
    {
        echo 'NOT prime';
        break;
    }
    echo 'Prime';
}