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MYSQL话语疑惑
- WBOYOriginal
- 2016-06-13 12:44:16807browse
MYSQL语句疑惑
$sql="select * from news where id = '".$_GET['id']."'";
$query=mysql_query($sql);
$rs=mysql_fetch_array($query);
上面那句查询语句为什么这样写会出错$sql="select * from news where id = $_GET['id']";
求解答，新手关于单引号和双引号的区别和为什么要上面那样写，不明白，谢谢！
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