问将字符串“10”转换为整数10

EN

class WordToNumber {

    public $modifiers = array(
        'hundred' => 100,
    );

    public $negatives = array(
        'minus' => true,
        'negative' => true,
    );

    public $numbers = array(
        'zero'  => 0,
        'one'   => 1,
        'two'   => 2,
        'three' => 3,
        'four'  => 4,
        'five'  => 5,
        'six'   => 6,
        'seven' => 7,
        'eight' => 8,
        'nine'  => 9,
        'ten'   => 10,
        'eleven' => 11,
        'twelve' => 12,
        'thirteen' => 13,
        'fourteen' => 14,
        'fifteen'  => 15,
        'sixteen'  => 16,
        'seventeen' => 17,
        'eighteen'  => 18,
        'nineteen'  => 19,
        'twenty'    => 20,
        'thirty'    => 30,
        'forty'    => 40,
        'fifty'     => 50,
        'sixty'     => 60,
        'seventy'   => 70,
        'eighty'    => 80,
        'ninety'    => 90,    
    );

    public $powers = array(
        'thousand' => 1000,
        'million'  => 1000000,
        'billion'  => 1000000000,
    );

    public function __construct() {
    }

    public function parse($string) {
        $string = $this->prepare($string);
        $parts = preg_split('#\s+#', $string, -1, PREG_SPLIT_NO_EMPTY);
        $buffer = 0;
        $lastPower = 1;
        $powers = array(
            1 => 0,
        );
        $isNegative = false;
        foreach ($parts as $part) {
            if (isset($this->negatives[$part])) {
                $isNegative = true;
            } elseif (isset($this->numbers[$part])) {
                $buffer += $this->numbers[$part];
            } elseif (isset($this->modifiers[$part])) {
                $buffer *= $this->modifiers[$part];
            } elseif (isset($this->powers[$part])) {
                if ($buffer == 0) {
                    //Modify last power
                    $buffer = $powers[$lastPower];
                    unset($powers[$lastPower]);
                    $power = $lastPower * $this->powers[$part];
                    $powers[$power] = $buffer;
                    $lastPower = $power;
                    $buffer = 0;
                } else {
                    $powers[$this->powers[$part]] = $buffer;
                    $buffer = 0;
                    $lastPower = $this->powers[$part];
                }
            } else {
                throw new LogicException('Unknown Token Found: '.$part);
            }
        }
        if (!empty($buffer)) {
            $powers[1] = $buffer;
        }
        $total = 0;
        foreach ($powers as $power => $sub) {
            $total += $power * $sub;
        }
        if ($isNegative) {
            $total *= -1;
        }
        return $total;
    }

    protected function prepare($string) {
        $string = preg_replace('#(\s+|-|\band\b)#i', ' ', $string);
        $string = mb_convert_case($string, MB_CASE_LOWER);
        return $string;
    }

}

$parser = new WordToNumber();

$strings = array(
    'one hundred and fifty two',
    'fifteen',
    'one thousand million',
    'four hundred thousand five hundred fourty three',
    'fifteen hundred',
    'one thousand twelve hundred',
    'negative two',
    'minus three hundred and fifty seven thousand four hundred and two',
);

foreach ($strings as $str) {
    echo $parser->parse($str).' - '.$str."\n";
}

152 - one hundred and fifty two
15 - fifteen
1000000000 - one thousand million
400543 - four hundred thousand five hundred fourty three
1500 - fifteen hundred
2200 - one thousand twelve hundred
-2 - negative two
-357402 - minus three hundred and fifty seven thousand four hundred and two

function smallTextIntToDigits($x)
{
   $lilx = lcase($x)
   $data = array('one'=>1,'two'=>2,'three'=>3,'four'=>4,'five'=>5,'six'=>6,'seven'=>7,'eight'=>8,'nine'=>9,'ten'=>10,'eleven'=>11,'twelve'=>12,'thirteen'=>13,'fourteen'=>14,'fifteen'=>15);
   if (isset($data[$lilx])) 
       return $data[$lilx];
   elseif (isset(data[lcase(str_replace('teen', '', $x))]) 
       return data[(str_replace('teen', '', lcase($x))] + 10;

   return -1; //harder stuff, recurse on big ones.  blah blah blah
}

$assoc_arr = array("one" => 1, "ten" => 10);
$my_ans = $assoc_arr["ten"] + 5;