084 php获取美元人民币汇率方法

/**
 * 获取美元人民币汇率
 * @return float
 */
function getRate(){
    //百度汇率接口(15分钟左右更新一次)
                     $url = 'https://sp0.baidu.com/8aQDcjqpAAV3otqbppnN2DJv/api.php?query=1%E7%BE%8E%E5%85%83%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%E4%BA%BA%E6%B0%91%E5%B8%81&co=&resource_id=6017&t=1517817481143&cardId=6017&ie=utf8&oe=gbk&cb=op_aladdin_callback&format=json&tn=baidu&cb=jQuery1102045803999539536244_1517817285354&_=1517817285360';
    $output = curl($url);
    $rate = 6.29;//默认汇率
    if($output){
        preg_match('/\"number2\"\:\"(.*)\"\, \"content1Mini\"/',$output,$match);
        if(is_numeric($match[1])){
            $rate = $match[1];
        }
    }
    return $rate;

}

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转载自blog.csdn.net/phpstory/article/details/80908465