PHP新手上路（十二）

}
$numrows ;
echo "</TR>n";
}
if ($numrows==0)
echo "<TR><TD COLSPAN="$w_numcols"><B>Query returned no records
</B></TD></TR>n";
else
{
echo "<TR>n";
echo "<TH COLSPAN="".($w_numcols-1)."" ALIGN=RIGHT>Count</TH>n";
echo "<TH ALIGN=RIGHT>$numrows</TH>n";
echo "</TR>n";
}
echo "</TABLE>n";
ora_close($cursor);
return;
}

// 主程序
if(!($conn=ora_logon("user@SID","password")))
{
echo "Error: Cannot connect to databasen";
exit;
}
$qry="SELECT
deptno "Dept"
,empno "Emp"
,empnm "Name"
,salary "Salary"
FROM
employee
ORDER BY 1,2";
exequery($qry);
ora_logoff($conn);
?>
（译者注：以上代码段缺少注释，请读者参考PHP Manual的Oracle数据库函数部分）

11.4 基于HTTP的Oracle登录

将以下代码加在PHP页面代码之前以确认Oracle登录。注意你必须正确设定$ SID。
<?
if(!isset($PHP_AUTH_USER))
{
Header("WWW-authenticate: basic realm="$SID"");
Header("HTTP/1.0 401 Unauthorized");
$title="Login Instructions";
echo "<blockquote>
You are not authorized to enter the site
</blockquote> n";
exit;
}
else
{
if (!($conn=ora_logon("$PHP_AUTH_USER@$SID",$PHP_AUTH_PW)))
{
Header("WWW-authenticate: basic realm="$SID"");
Header("HTTP/1.0 401 Unauthorized");
$title="Login Instructions";
echo "<blockquote>
You are not authorised to enter the site
</blockquote> n";
exit;
}
}
?>

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