PHP/SQL查询和PHP变量
我的问题如下:PHP/SQL查询和PHP变量,php,sql,Php,Sql,我的问题如下: $msgg = mysql_query("SELECT * FROM mytable WHERE time>$time AND id='someid' ORDER BY id ASC LIMIT $display_num",$myconn); 请看这行:和id='someid'在myVar前面放一个$: $msgg = mysql_query( "SELECT * FROM mytable WHERE time > $time AND id =
$msgg = mysql_query("SELECT *
FROM mytable
WHERE time>$time
AND id='someid'
ORDER BY id ASC
LIMIT $display_num",$myconn);
请看这行:和id='someid'在myVar前面放一个$:
$msgg = mysql_query(
"SELECT *
FROM mytable
WHERE time > $time
AND id = '$myVar'
ORDER BY id ASC
LIMIT $display_num", $myconn
);
在myVar前面放一个$:
$msgg = mysql_query(
"SELECT *
FROM mytable
WHERE time > $time
AND id = '$myVar'
ORDER BY id ASC
LIMIT $display_num", $myconn
);
您忘记了美元符号和单引号:
AND id='$myVar'
另外,您可能需要考虑使用:
$query=您忘记了美元符号和单引号:
AND id='$myVar'
另外,您可能需要考虑使用:
$query=