PHP网易云热评API

这是一个php版获取网易云热评的接口

<?php

/**
 * 获取歌单随机一首歌曲id
 */
function music_list_id()
{
    //歌单id
    $id = '2493852196';
    $data = file_get_contents('http://music.163.com/api/playlist/detail?id=' . $id);
    $json = json_decode($data, true);
    //获取长度
    $count = count($json['result']['tracks']);
    //生成0~count-1范围内的随机数
    $random = mt_rand(0, $count );
    return $json['result']['tracks'][$random]['id'];
}

/**
 * curl_get函数
 */
function curl_get($url, $referurl = '')
{
    if (empty($referurl)) {
        $referurl = $url;
    }
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    // 输出头
    curl_setopt($ch, CURLOPT_HEADER, true);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    //模拟常用浏览器的 useragent
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 4 Build/JOP40D) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19');
    // 不跟随跳转
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
    //模拟来源网址
    curl_setopt($ch, CURLOPT_REFERER, $referurl);
    $output = curl_exec($ch);
    curl_close($ch);
    return $output;
}

/**
 * 根据歌曲id获取直链
 */
function song_url()
{
    $id = music_list_id();
    $api = 'http://music.163.com/song/media/outer/url?id=';
    $url = $api . $id . '.mp3';
    $data = curl_get($url);
    // 正则取连接
    preg_match_all('/Location:(.*?)\.mp3/', $data, $arr);
    // 判断一下是否成功
    if (!empty($arr[1][0])) {
        $play = $arr[1][0];
        return str_replace('http://', 'https://', trim($play) . '.mp3');
    }
}

/**
 * 根据音乐id获取热门评论
 */
function music_hot_comments()
{
    $id = music_list_id();
    $data = file_get_contents('http://music.163.com/api/v1/resource/comments/R_SO_4_' . $id);
    $json = json_decode($data, true);
    if ($json['total'] > 0) {
        $arr= [
            //歌曲id
            'id' => $id,
            //评论者
            'user' => $json['hotComments'][0]['user']['nickname'],
            //歌曲图片
            'pic' => $json['hotComments'][0]['user']['avatarUrl'],
            //评论内容
            'content' => $json['hotComments'][0]['content'],
            //歌曲url
            'song_url' => song_url()
        ];
        return $arr;
    }
}
echo music_hot_comments();