我从下面的代码收到以下错误,我不完全知道为什么。如果你能告诉我如何解决这个问题,那会很棒。先谢谢了。
警告:不能更改头信息 - 头已经发出(输出开始...)上线45
<?php
// Initialization
$conn = mysql_connect(DB_HOST,DB_USER,DB_PASSWORD);
mysql_select_db(DB_NAME, $conn);
// Error checking
if(!$conn) {
die('Could not connect ' . mysql_error());
}
// Localize the GET variables
$ref = isset($_GET['ref']) ? $_GET['ref'] : "";
// Protect against sql injections
// Insert the score
$retval = mysql_query("INSERT INTO $table(
site
) VALUES (
'$ref'
)",$conn);
if($retval) {
echo "Successfull";
} else {
echo "Unsuccessfull " . mysql_error();
}
mysql_close($conn);
?>
<?php
$url = $_GET['url'];
$loc = 'Location: '. $url;
header($loc);
exit;
?>
http://stackoverflow.com/search?q=Cannot%20modify%20header%20%20information或http://www.google.com/search?q=cannot+修改+报头+报信息 – mario 2011-04-11 18:46:39