パラメータは確かに true ですが、mysql_fetch_row() はパラメータ 1 が resource? であることを期待しているという警告がまだ表示されます。

function checkCancelUserStop($phoneNum){	$con = mysql_connect("localhost", "root", "");	if(!$con)	{		echo "<script language=\"JavaScript\">			 alert('数据库连接失败！');  			 </script>";		echo "<script language='javascript' type='text/javascript'>";		echo "window.location.href='$url'";		echo "</script>";		return;	}		$result = mysql_select_db ("teleservice",$con);	if(!$result)	{		echo "<script language=\"JavaScript\">			 alert('选择数据库失败！');  			 </script>";		echo "<script language='javascript' type='text/javascript'>";		echo "window.location.href='$url'";		echo "</script>";		return;	}	$result = mysql_query("SET NAMES 'GBK'");	if(!$result)	{		echo "<script language=\"JavaScript\">			 alert('设置字符集失败！');  			 </script>";		echo "<script language='javascript' type='text/javascript'>";		echo "window.location.href='$url'";		echo "</script>";		return;	}	$query = "select state			  from phoneDetail			  where phoneDetail.phoneNum = $phoneNum";	if($result) 	{		echo "<script language=\"JavaScript\">			 alert('查询号码原状态成功！');  			 </script>";		echo "<script language='javascript' type='text/javascript'>";		echo "window.location.href='$url'";		echo "</script>";			} else {		echo "<script language=\"JavaScript\">			 alert('查询号码原状态失败！');  			 </script>";		echo "<script language='javascript' type='text/javascript'>";		echo "window.location.href='$url'";		echo "</script>";		return;	}	$oldState = "正常开通";	while($row = mysql_fetch_row($result))	{		echo "in while loop...";		$oldState = $row[0];		echo $oldState;	}	if($oldState == "主动停机") {		echo "yes";		return true;	} else {		echo "no";		return false;	}	mysql_close($con);}