学习微信官方代码---关键字自动回复

if(!empty( $keyword ))
{
$msgType = "text";
$contentStr = "欢迎光临樱桃屋.";
if($keyword == "1"){    //关键字为1时
$contentStr = "关键字为1的内容";
}
if($keyword == "2"){    //关键字为1时
$contentStr = "关键字为2的内容";
}
if($keyword == "3"){    //关键字为1时
$contentStr = "关键字为3的内容";
}
//自动回复的内容

//$contentStr = "欢迎光临樱桃屋.";
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}else{
echo "Input something...";
}