<?php 
    // 此处填写你在控制台-应用管理-创建应用后获取的AK
    $ak = '您的AK';
    
    // 发起一个http get请求，并返回请求的结果
    // $url字段为请求的地址
    // $param字段为请求的参数
    function request_get($url = '', $param = array()) {
        if (empty($url) || empty($param)) {
            return false;
        }
        
        $getUrl = $url . "?" . http_build_query($param);
        $curl = curl_init(); // 初始化curl
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查   
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2); // 从证书中检查SSL加密算法是否存在
        curl_setopt($curl, CURLOPT_URL, $getUrl); // 抓取指定网页
        curl_setopt($curl, CURLOPT_TIMEOUT, 1000); // 设置超时时间1秒
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // curl不直接输出到屏幕
        curl_setopt($curl, CURLOPT_HEADER, 0); // 设置header
        $data = curl_exec($curl); // 运行curl

        if (!$data) {
            print("an error occured in function request_get(): " . curl_error($curl) . "\n");
        }

        curl_close($curl);
        
        return $data;
    }

    // 请求地址
    $url = 'https://api.map.baidu.com/direction/v2/motorcycle';
    
    // 构造请求参数
    $param['origin']   = '4846797.3,12948640.7';
    $param['destination']   = '4836829.84,12967554.88';
    $param['coord_type']   = 'bd09mc';
    $param['ak']   = $ak;

    $res = request_get($url, $param);

    // 将原始返回的结果打印出来
    print("请求的原始返回结果为:\n");
    print($res . "\n");
?>

{"status":0,"message":"成功","type":2,"result":{"restriction":"","total":1,"routes":[{"origin":{"lng":116.480283,"lat":40.143297},"destination":{"lng":116.491991,"lat":40.143479},"tag":"方案一","distance":1007,"duration":123,"taxi_fee":14,"restriction_info":{"status":0,"desc":""},"toll":0,"toll_distance":0,"steps":[{"leg_index":0,"road_name":"英才北三街","direction":3,"distance":920.88,"road_type":4,"toll":0,"toll_distance":0,"adcodes":"110000","traffic_condition":[{"status":1,"geo_cnt":17,"distance":920.88}],"path":"116.480283,40.143297;116.480323,40.143298;116.480532,40.143290;116.480791,40.143274;116.484076,40.143168;116.484633,40.143166;116.485777,40.143104;116.485797,40.143104;116.487597,40.143113;116.487856,40.143117;116.488054,40.143160;116.488243,40.143174;116.488333,40.143195;116.488830,40.143293;116.490043,40.143364;116.490232,40.143377;116.490351,40.143390;116.491007,40.143421","start_location":{"lng":116.480283,"lat":40.143297},"end_location":{"lng":116.491007,"lat":40.143421}},{"leg_index":0,"road_name":"无名路","direction":3,"distance":8.58,"road_type":4,"toll":0,"toll_distance":0,"adcodes":"110000","traffic_condition":[{"status":1,"geo_cnt":1,"distance":8.58}],"path":"116.491007,40.143421;116.491106,40.143433","start_location":{"lng":116.491007,"lat":40.143421},"end_location":{"lng":116.491106,"lat":40.143433}},{"leg_index":0,"road_name":"顺于路","direction":3,"distance":75.82,"road_type":4,"toll":0,"toll_distance":0,"adcodes":"110000","traffic_condition":[{"status":1,"geo_cnt":2,"distance":75.82}],"path":"116.491106,40.143433;116.491394,40.143448;116.491991,40.143479","start_location":{"lng":116.491106,"lat":40.143433},"end_location":{"lng":116.491991,"lat":40.143479}}]}]}}