convert_arabic_to_chinese.php

<?php
    function convert($number) {
        $array1 = array('兆', '億', '万', '千', '百', '十');
        $array2 = array('', '一', '二', '三', '四', '五', '六', '七', '八', '九');
        $chou = (int)($number / 1000000000000);
        $rest = $number % 1000000000000;
        $oku = (int)($rest / 100000000);
        $rest = $rest % 100000000;
        $man = (int)($rest / 10000);
        $rest = $rest % 10000;
        $sen = (int)($rest / 1000);
        $rest = $rest % 1000;
        $hyaku = (int)($rest / 100);
        $rest = $rest % 100;
        $juu = (int)($rest / 10);
        $ichi = $rest % 10;
        if(0 < $chou && $chou < 10) {
            $result = $result.$array2[$chou].$array1[0];
        } elseif($chou != 0) {
            $result = $result.convert($chou).$array1[0];
        }
        if(0 < $oku && $oku < 10) {
            $result = $result.$array2[$oku].$array1[1];
        } elseif($oku != 0) {
            $result = $result.convert($oku).$array1[1];
        }
        if(0 < $man && $man < 10) {
            $result = $result.$array2[$man].$array1[2];
        } elseif($man != 0) {
            $result = $result.convert($man).$array1[2];
        }
        if(0 < $sen && $sen < 10) {
            $result = $result.$array2[$sen].$array1[3];
        }
        if(1 < $hyaku && $hyaku < 10) {
            $result = $result.$array2[$hyaku].$array1[4];
        } elseif($hyaku == 1) {
            $result = $result.$array1[4];
        }
        if(1 < $juu && $juu < 10) {
            $result = $result.$array2[$juu].$array1[5];
        } elseif($juu == 1) {
            $result = $result.$array1[5];
        }
        if(0 < $ichi && $ichi < 10) {
            $result = $result.$array2[$ichi];
        }
        return $result;
    }
    echo convert(1234567890123456)."\n";
    echo convert(123456789012)."\n";
    echo convert(12345678)."\n";
    echo convert(1234)."\n";
    echo convert(123)."\n";
    echo convert(12)."\n";
?>