PHP 'NumberFormatter‘'SPELLOUT’没有提供所需的英文格式

function numberToEnglish($number) {
    $words = array(
        0 => 'zero',
        1 => 'one',
        2 => 'two',
        3 => 'three',
        4 => 'four',
        5 => 'five',
        6 => 'six',
        7 => 'seven',
        8 => 'eight',
        9 => 'nine',
        10 => 'ten',
        // 继续添加其他数字的英文表示
    );

    if ($number < 0) {
        return 'minus ' . numberToEnglish(abs($number));
    }

    $result = '';

    if ($number < 20) {
        $result = $words[$number];
    } elseif ($number < 100) {
        $tens = floor($number / 10) * 10;
        $units = $number % 10;
        $result = $words[$tens];
        if ($units) {
            $result .= '-' . $words[$units];
        }
    } elseif ($number < 1000) {
        $hundreds = floor($number / 100);
        $remainder = $number % 100;
        $result = $words[$hundreds] . ' hundred';
        if ($remainder) {
            $result .= ' ' . numberToEnglish($remainder);
        }
    } else {
        // 继续添加更大数字的英文表示
    }

    return $result;
}

$number = 123;
$english = numberToEnglish($number);
echo $english;  // 输出：'one hundred twenty-three'