Databases
StackOverflow2013
Postsdbo
PO"Warning: Cannot modify header information - headers already sent by [error]"
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO"Warning: Cannot modify header information - headers already sent by [error]"
    primarykey
    data
    text
    <blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/1912029/warning-cannot-modify-header-information-headers-already-sent-by-error">“Warning: Cannot modify header information - headers already sent by” error</a> </p> </blockquote> <p>Here's my code:</p> <pre><code>$con = mysql_connect("localhost",$dbuser,$dbpass); mysql_select_db($dbname, $con); function crSalt($max = 15) { $characterList = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; $i = 0; $salt = ""; while ($i &lt; $max) { $salt .= $characterList{mt_rand(0, (strlen($characterList) - 1))}; $i++; } return $salt; } if ($_POST['username'] &amp;&amp; $_POST['password']){ $username=mysql_real_escape_string($_POST['username']); $password=mysql_real_escape_string($_POST['password']); $hash = hash("ripemd160", $password); $x = mysql_fetch_array(mysql_query("SELECT * FROM `accounts` WHERE `Username`='$username'")); if ($hash == $x['Password']){ $salt = crSalt(); setcookie("xtx_SALT", $salt, time()+3600*74 , "/"); setcookie("xtx_ID", $x['id'], time()+3600*74 , "/"); setcookie("xtx_CRED", hash("ripemd160", $username), time()+3600*74, "/"); mysql_query("UPDATE `accounts` SET `Salt`='$salt' WHERE `Username`='$username'"); } } ?&gt; &lt;form action="" method="post"&gt; Username: &lt;input type="text" name="username" /&gt;&lt;br/&gt; Password: &lt;input type="password" name="password" /&gt;&lt;br/&gt; &lt;input type="submit" value="Login!" /&gt; &lt;form&gt; </code></pre> <p>I've been struggling with these errors for a while:</p> <blockquote> <p>Warning: Cannot modify header information - headers already sent by (output started at /home/xtrosx10/public_html/Secure/Login/index.php:5) in /home/xtrosx10/public_html/Secure/Login/index.php on line 27</p> <p>Warning: Cannot modify header information - headers already sent by (output started at /home/xtrosx10/public_html/Secure/Login/index.php:5) in /home/xtrosx10/public_html/Secure/Login/index.php on line 28</p> <p>Warning: Cannot modify header information - headers already sent by (output started at /home/xtrosx10/public_html/Secure/Login/index.php:5) in /home/xtrosx10/public_html/Secure/Login/index.php on line 29</p> </blockquote> <p>I don't see why I am actually getting this because there is not one line of code here that suggests a header should be sent.</p>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USCommunity
    1. USMelanie Webster
    plurals
    1. PL
      singulars
      1. LTLinked
    2. PL
      singulars
      1. LTDuplicate
    3. PL
      singulars
      1. LTLinked
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    2. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. PO"Warning: Cannot modify header information - headers already sent by [error]"
      1. This table or related slice is empty.
      1. VTDownMod
    1. COPlease don't use the `mysql_*` functions as they are in the [deprecation process](http://news.php.net/php.internals/53799). Use [MySQLi](http://php.net/manual/en/book.mysqli.php) or [PDO](http://php.net/manual/en/book.pdo.php) instead and [be a better PHP Developer](http://jason.pureconcepts.net/2012/08/better-php-developer/).
      singulars
      1. PO"Warning: Cannot modify header information - headers already sent by [error]"
      1. USJason McCreary
    2. CO@JasonMcCreary I noticed :) but it was already locked in -.- It would be nice if SO suggested non-duplicates first.
      singulars
      1. PO"Warning: Cannot modify header information - headers already sent by [error]"
      1. USphant0m
    3. CONone of this helps at all. These "Duplicate Post" lines you are providing are no where near my issue. Rather than demoting my question, at least answer it, please.
      singulars
      1. PO"Warning: Cannot modify header information - headers already sent by [error]"
      1. USMelanie Webster
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload