php generate password

generateRandomPassword

public static function generateRandomPassword($length)
    {
        $signs = '_-!#@';
        $signsLength = strlen($signs);
        $numbers = '0123456789';
        $numbersLength = strlen($numbers);
        $alphs = 'abcdefghijklmnopqrstuvwxyx';
        $alphsLength = strlen($alphs);

        $signsCount = 1;
        $numbersCount = 2;
        $alphsCount = $length - $signsCount - $numbersCount;


        $baseString = '';
        for ($i = 0; $i < $alphsCount; $i++) {
            $baseString .= $alphs[rand(0, $alphsLength - 1)];
        }

        for ($i = 0; $i < $numbersCount; $i++) {
            $baseString = substr_replace($baseString, $numbers[rand(0, $numbersLength) - 1], rand(0, strlen($baseString)), 0);
        }

        for ($i = 0; $i < $signsCount; $i++) {
            $baseString = substr_replace($baseString, $signs[rand(0, $signsLength) - 1], rand(0, strlen($baseString)), 0);
        }

        return $baseString;
    }