依据银行卡号获取银行信息php代码

<?php
/**
 *
 * bank.php文件
 *
 * User: Administrator
 * DateTime: 2014/12/31 10:01
 */
header(&#39;Content-type:text/html;charset=utf-8&#39;);
require_once(&#39;bankList.php&#39;);
function bankInfo($card,$bankList)
{
//		$card = &#39;6222021001116245702&#39;;
//    $card = &#39;6228481552887309119&#39;;
//    $bankList = Config::get(&#39;bankList&#39;);
    $card_8 = substr($card, 0, 8);
    if (isset($bankList[$card_8])) {
        echo $bankList[$card_8];
        return;
    }
    $card_6 = substr($card, 0, 6);
    if (isset($bankList[$card_6])) {
        echo $bankList[$card_6];
        return;
    }
    $card_5 = substr($card, 0, 5);
    if (isset($bankList[$card_5])) {
        echo $bankList[$card_5];
        return;
    }
    $card_4 = substr($card, 0, 4);
    if (isset($bankList[$card_4])) {
        echo $bankList[$card_4];
        return;
    }
    echo &#39;该卡号信息暂未录入&#39;;
}

bankInfo(&#39;6228481552887309119&#39;,$bankList);