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Warning Cannot Modify Header Information - Headers Already Sent By In Php

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Warning Cannot Modify Header Information - Headers Already Sent By (output Started At /home/content

favorite 40 Possible Duplicate: Headers already sent by PHP I've been struggling with this error for a while now. To start with, I just thought it was white space, but after further research I think it might be a problem similar to this: Look for any statements that could send output to the user before this header statement. If you find one or more, change your code to move the header statement

Warning Cannot Modify Header Information Wordpress

before them. Complex conditional statements may complicate the issue, but they may also help solve the problem. Consider a conditional expression at the top of the PHP script that determines the header value as early as possible and sets it there. I'm guessing the include header is causing the problem along with the header(), but I'm not sure how to rearrange the code to get rid of this error. How do I remove the error?

Invalid username or password.

"); if ($username == "" || $token == "") { echo "

Please enter your username and password

"; } else { $query = "SELECT * FROM members WHERE username='$username'AND password = '$token'"; //Look in table for username entered $result = mysql_query($query); if (!$result) die ("Database access failed: " . mysql_error()); elseif (mysql_num_rows($result) > 0) { $row = mysql_fetch_row($result); $_SESSION['username'] = $username; //Set session variables $_SESSION['password'] = $token; $fName = $row[0]; } } ?> php header share|improve this questio

Errors Exceptions Generators References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module header("location: $location", true, $status); Session Security Filesystem Security Database Security Error Reporting Using Register Globals User

Php Redirect Without Header

Submitted Data Magic Quotes Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling how to solve warning cannot modify header information - headers already sent by file uploads Using remote files Connection handling Persistent Database Connections Safe Mode Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line http://stackoverflow.com/questions/9707693/warning-cannot-modify-header-information-headers-already-sent-by-error Specific Extensions Compression and Archive Extensions Credit Card Processing Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions http://php.net/manual/en/function.headers-sent.php Web Services Windows Only Extensions XML Manipulation Keyboard Shortcuts? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search(current page) / Focus search box http_response_code » « headers_list PHP Manual Function Reference Other Services Network Network Functions Change language: English Brazilian Portuguese Chinese (Simplified) French German Japanese Korean Romanian Russian Spanish Turkish Other Edit Report a Bug headers_sent (PHP 4, PHP 5, PHP 7)headers_sent — Checks if or where headers have been sent Description bool headers_sent ([ string &$file [, int &$line ]] ) Checks if or where headers have been sent. You can't add any more header lines using the header() function once the header block has already been sent. Using this function you can at least prevent getting HTTP header related error messages. Another option is to use Output Buffering. Parameters file If the optional file and line parameters are set, headers_sent() will put the PHP source file name and line number where output started in the fi

a Bug Request https://www.geeklog.net/faqman/index.php?op=view&t=38 a Feature Geeklog Security Development Getting Started Plugin Developers Guide Download Source Code Documented Source Code Roadmap Topics Home Development (330) Geeklog(217) Plugins(118) Themes(6) News(398) Announcements(258) Geeklog.net(31) Security(77) Spam(11) Summer of Code(28) User Functions Username Password already sent Don't have an account yet? Sign up as a New User! Lost your password? Login with OpenID Events There are no upcoming events What's New Stories last 2 weeksNo new stories Comments last 2 weeksNo new comments cannot modify header Trackbacks last 2 weeksNo new trackback comments Links last 2 weeksNo recent new links Downloads last 2 weeks No new files Welcome to GeeklogMonday, October 17 2016 @ 08:44 am EDT FAQ Manager Common problemsNumber of topics: 21Problems you may encounter after the installation. GeneralNumber of topics: 8Questions that don't really fit any of the other categories. InstallationNumber of topics: 14Questions that may come up before, during, or after installation of Geeklog. Plugins and Add-onsNumber of topics: 4Questions regarding the available extensions. UsageNumber of topics: 18Usage questions - How do I ...? © 2001-2016 Geeklog Created this page in 0.20 seconds Powered byGeeklog 2.1.1 Hosted by pair.com

 

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