use NumberToWords\NumberToWords;
use NumberToWords\Locale\English;
$c = new NumberToWords(new English()); // english
// One followed by 3003 zeros
echo $c->nameOfLargeNumber(3003); // outputs "millinillion"
echo $n->convert('3043.43'); // outputs "three thousand forty-three point four three"
echo $n->convert('3.1415926535'); // outputs "three point one four one five nine two six five three five"