Parse error: syntax error, unexpected T_VARIABLE in on line 13

carllluck

<?

echo $id;
//基本设定
   $mysql_server_name='localhost';
   $mysql_username='root';
   $mysql_password='carllluck';
   $mysql_database='ca';
   
//实施操作的sql语法
   $conn=mysql_connect($mysql_server_name,$mysql_username,$mysql_password);
   mysql_select_db($mysql_database,$conn);
   
   $sql="DELETE FROM 'myca' WHERE 'myca'.'id'="$id" ";
   //$result=mysql_db_query($mysql_database,$sql,$conn);
   mysql_query($sql);
// mysql_free_result($result);
   
?>
mysql中怎么调用php变量啊？

wildlily980

$sql="DELETE FROM 'myca' WHERE 'myca'.'id'="$id" ";
=========================================
$sql="DELETE FROM myca WHERE myca.id='$id'";

diboo19

SQL语句有错误：$sql="DELETE FROM 'myca' WHERE 'myca'.'id'="$id" ";

正确的应该是：$sql="DELETE FROM myca WHERE myca.id=".$id;