Php 将mysql查询传递到while循环

Php 将mysql查询传递到while循环,php,mysql,Php,Mysql,我得到的错误是 警告:传递给each()的变量不是/home2/xtrapsp/public_html/Admin/index.php中的数组或对象,而(list(,$val)=each($channel)){ " 但是,我在each()参数中使用了直接对象 $query = "SELECT * FROM Streamers" or die("Error in the consult.." . mysqli_error($link)); $row = mysqli_fetch_array($re

我得到的错误是

警告:传递给each()的变量不是/home2/xtrapsp/public_html/Admin/index.php中的数组或对象,而(list(,$val)=each($channel)){ "

但是,我在each()参数中使用了直接对象

$query = "SELECT * FROM Streamers" or die("Error in the consult.." . mysqli_error($link));
$row = mysqli_fetch_array($result);
$channel = $row["name"];
//execute the query. 
$result = mysqli_query($link, $query); 

    while (list(, $val) = each($channel)) {
       $url = "https://api.twitch.tv/kraken/streams/".$val;
       $json = file_get_contents($url);
       $json = json_decode($json);
       $stream =  $json->stream;
             if($stream != null){   
                    $channelAPI = json_decode(file_get_contents('https://api.twitch.tv/kraken/channels/'. $val));
                    $status     = $channelAPI->status;
                    $name       =  $channelAPI->display_name;
                    $gameimg    = "http://static-cdn.jtvnw.net/ttv-boxart/".$channelAPI->game . "-272x380.jpg";
                    $viewers    = $streamsAPI->stream->viewers;
                    $followers  = $channelAPI->followers;
                    $views      = $channelAPI->views;
                    $avatar     = $channelAPI->logo;

                        echo    '<tr><td><a href="/cast.php?caster='.$val.'"/><img src="' . $avatar . '" width="60px"/></a></td>';
                        echo    '<td><a href="#"> <i class="fa fa-circle text-success"></i> Online</a>  </td>';
                        echo    '<td>Game: '. $channelAPI->game.'</tr>';            
            }
        }
        if($stream == null){    
            Echo    'No Dream2Streamers online!';
        }
$query=“SELECT*FROM streams”或die(“咨询中出错”)。mysqli_Error($link));
$row=mysqli\u fetch\u数组($result);
$channel=$row[“name”];
//执行查询。
$result=mysqli\u查询($link,$query);
while(列表(,$val)=每个($channel)){
$url=”https://api.twitch.tv/kraken/streams/“$val;
$json=文件获取内容($url);
$json=json_decode($json);
$stream=$json->stream;
如果($stream!=null){
$channelAPI=json\u解码(文件\u获取\u内容('https://api.twitch.tv/kraken/channels/“.$val”);
$status=$channelAPI->status;
$name=$channelAPI->display\u name;
$gameimg=”http://static-cdn.jtvnw.net/ttv-boxart/“$channelAPI->game.-272x380.jpg”;
$viewers=$streamsAPI->stream->viewers;
$followers=$channelAPI->followers;
$views=$channelAPI->views;
$avatar=$channelAPI->logo;
回声';
回声';
echo“游戏:”.$channelAPI->Game.”;
}
}
如果($stream==null){
Echo“没有Dream2Streamers在线!”;
}
有人能解释一下为什么会抛出这个错误吗?我试图查询mysql数据库中的通道是否在线,如果在线,在页面上生成正确的数据


谢谢

我想这是因为您在运行查询之前获取了日期,请尝试以下操作

$query = "SELECT * FROM Streamers" or die("Error in the consult.." . mysqli_error($link));
//execute the query. 
$result = mysqli_query($link, $query);

while ($row =  mysqli_fetch_array($result)) {
   $val = $row["name"];
   $url = "https://api.twitch.tv/kraken/streams/".$val;
   $json = file_get_contents($url);
   $json = json_decode($json);
   $stream =  $json->stream;
         if($stream != null){   
                $channelAPI = json_decode(file_get_contents('https://api.twitch.tv/kraken/channels/'. $val));
                $status     = $channelAPI->status;
                $name       =  $channelAPI->display_name;
                $gameimg    = "http://static-cdn.jtvnw.net/ttv-boxart/".$channelAPI->game . "-272x380.jpg";
                $viewers    = $streamsAPI->stream->viewers;
                $followers  = $channelAPI->followers;
                $views      = $channelAPI->views;
                $avatar     = $channelAPI->logo;

                    echo    '<tr><td><a href="/cast.php?caster='.$val.'"/><img src="' . $avatar . '" width="60px"/></a></td>';
                    echo    '<td><a href="#"> <i class="fa fa-circle text-success"></i> Online</a>  </td>';
                    echo    '<td>Game: '. $channelAPI->game.'</tr>';            
        }
    }
    if($stream == null){    
        Echo    'No Dream2Streamers online!';
    }
$query=“SELECT*FROM streams”或die(“咨询中出错”)。mysqli_Error($link));
//执行查询。
$result=mysqli\u查询($link,$query);
while($row=mysqli\u fetch\u数组($result)){
$val=$row[“name”];
$url=”https://api.twitch.tv/kraken/streams/“$val;
$json=文件获取内容($url);
$json=json_decode($json);
$stream=$json->stream;
如果($stream!=null){
$channelAPI=json\u解码(文件\u获取\u内容('https://api.twitch.tv/kraken/channels/“.$val”);
$status=$channelAPI->status;
$name=$channelAPI->display\u name;
$gameimg=”http://static-cdn.jtvnw.net/ttv-boxart/“$channelAPI->game.-272x380.jpg”;
$viewers=$streamsAPI->stream->viewers;
$followers=$channelAPI->followers;
$views=$channelAPI->views;
$avatar=$channelAPI->logo;
回声';
回声';
echo“游戏:”.$channelAPI->Game.”;
}
}
如果($stream==null){
Echo“没有Dream2Streamers在线!”;
}

这是一个问题,但是,
$channel
是一行中的一个值。嘿,伙计们,谢谢你们的帮助。我想我现在有一个inf循环。页面不会加载超过那个内容,也不会停止加载!哈哈。不过,我确实理解@Abracadver的意思:)oops@BradlySpicer我的错,我们应该在while条件下获取数组