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POwarning: can not modify header information -header already sent
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  1. POwarning: can not modify header information -header already sent
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    copied!<p>Today first time I use cookie but I am facing a warning</p> <blockquote> <p>Warning: Cannot modify header information - headers already sent by (output started at E:\xampp\htdocs\session.php:11) in E:\xampp\htdocs\home_page.php on line 7</p> </blockquote> <p>This is my code:</p> <pre><code>&lt;?php include("session.php"); ?&gt; &lt;?php $Month = 2592000 + time(); //this adds 30 days to the current time setcookie(AboutVisit, date("F jS - g:i a"), $Month); ?&gt; &lt;?php if(isset($_COOKIE['AboutVisit'])) { $last = $_COOKIE['AboutVisit']; echo "Welcome back! You last visited on ". $last; } else { echo "Welcome to our site!"; } ?&gt; &lt;html&gt; &lt;head&gt; &lt;title&gt;Home Page&lt;/title&gt; &lt;script src="flowplayer-3.1.4.min.js"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body bgcolor="white"&gt; &lt;?php include('search_file.php'); ?&gt; &lt;font color="red"&gt;&lt;b&gt;&lt;h2 align="center"&gt;Deepak Narwal Welcomes You&lt;/h2&gt;&lt;/b&gt;&lt;/font&gt; &lt;hr size="2" width="50%"&gt; &lt;a href="logout_file.php"&gt;&lt;h3 align="right"&gt;Sign Out&lt;/h3&gt;&lt;/a&gt; &lt;a style="display:block;width:250px;height:200px;" id="player"&gt; &lt;/a&gt; &lt;script language="JavaScript"&gt; flowplayer("player", "flowplayer-3.1.5.swf" , { clip: { autoPlay : false, autoBuffering: true}, playlist: [ 'video.flv', 'flowplayer.flv'] }); //create a object of clip name &lt;/script&gt; &lt;object classid="clsid:67DABFBF-D0AB-41fa-9C46-CC0F21721616" align="right" width="320" height="260" codebase="http://go.divx.com/plugin/DivXBrowserPlugin.cab"&gt; &lt;param name="custommode" value="none" /&gt; &lt;param name="loop" value="true" /&gt; &lt;param name="autoPlay" value="false" /&gt; &lt;param name="autoBuffering" value="true" /&gt; &lt;param name="src" value="http://localhost/idiot.mkv" /&gt; &lt;embed type="video/divx" src="http://localhost/idiot.mkv" custommode="none" width="250" height="200" loop="true" autoPlay="false" pluginspage="http://go.divx.com/plugin/download/"&gt; &lt;/embed&gt; &lt;/object&gt; &lt;br /&gt;&lt;a href="upload_file.php"&gt;&lt;h4&gt;Up-Load Files&lt;/h4&gt;&lt;/a&gt; &lt;br /&gt;&lt;br /&gt; &lt;a href="list_files.php"&gt;&lt;h4&gt;List All Up-Loaded Files&lt;/h4&gt;&lt;/a&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>What is this error and how can I hide warnings from my webpage?</p> <p>Is there any particular place for putting cookies or can I put cookie anywhere like above cookie?</p> <p>This is my session.php</p> <pre><code> &lt;?php session_start(); if(!isset($_SESSION['employee'])) { echo "Your are Logged Out"; exit; } else { echo "Welcome Mr.".$_SESSION['employee']['username']."; } ?&gt; </code></pre>
 

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