Question

php传递值如何带到sql语句里去

我用php传递一个值gg.php?uid=$value[uid] 值能传递过来
然后我想把这个值带到sql语句里去查询 如何写 我是菜鸟 格式不晓得！！
$sql = "SELECT * FROM user where uid=??? ";

Answer 1

当你的uid为数字时
$sql="SELECT * FROM user where uid=".$_GET[uid];

当你的uid为字符串时

$sql="SELECT * FROM user where uid='$_GET[uid]'";

Answer 2

$sql="SELECT * FROM user where uid='$_GET[uid]'";

Answer 3

$sql="SELECT * FROM user where uid='$_GET[uid]'";

Answer 4

$sql = "SELECT * FROM user where uid='".$_GET['uid']."' ";

Answer 5

$uid=$_GET['uid'];

$sql = "SELECT * FROM user where uid='".$uid."' ";