可能重复:
PHP中的"警告:已发送标头"
大家好我在PHP登录表单上显示错误,当我将其上传到我的服务器时.它在我的localhost上工作得很好,但是当我将它上传到服务器时,它给了我这个错误:
Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/shopping/public_html/biblioteka/index.php:10) in /home/shopping/public_html/biblioteka/index.php on line 45
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/shopping/public_html/biblioteka/index.php:10) in /home/shopping/public_html/biblioteka/index.php on line 45
Warning: Cannot modify header information - headers already sent by (output started at /home/shopping/public_html/biblioteka/index.php:10) in /home/shopping/public_html/biblioteka/index.php on line 49
这是我的PHP代码:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="http://localhost/Shopping_biblioteka/css/style.css">
<title>Title</title>
</head>
<body …