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POWarning: session_start() [function.session-start]: Cannot send session cache limiter
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  1. POWarning: session_start() [function.session-start]: Cannot send session cache limiter
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    copied!<p>I have a problem with Session_start() here :</p> <p><strong>Warning</strong>: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\xampp\htdocs\pages\home.php:4) in <strong>C:\xampp\htdocs\charts\home-chart.php</strong> on line <strong>2</strong></p> <p>and in home-chart.php in line 2 I wrote codes like this : </p> <pre><code>session_start(); . . . echo ' username: '.$_SESSION['user_name']; </code></pre> <hr> <p>although with this warning i can get result of <code>$_SESSION['user_name']</code> but when I try to clear this part of the code :</p> <pre><code>session_start(); </code></pre> <p>I can't see any result in screen. so, what's your solution?</p> <pre><code>&lt;?php @session_start(); require_once '../class/chart.class.php'; $chart = new chart(); ?&gt; &lt;html&gt; &lt;head&gt; &lt;link href='../css/home-chart.css' rel='stylesheet' type='text/css' /&gt; &lt;/head&gt; &lt;body&gt; &lt;div class='float_left' style="margin-bottom:20px;"&gt; &lt;div class='float_left' style='line-height: 9.41px; font-size: x-small;'&gt;0&lt;br /&gt;&lt;/div&gt; &lt;div class='float_left' style="background-image: url('../image/web/chart.png'); width: 367px; height: 226px; " &gt; &lt;!-- 1 --&gt;&lt;div class='float_left float_left column' style='margin-left:2px;'&gt; &lt;?php echo $chart-&gt;mysql_fetch($chart-&gt;daycal(-3)); ?&gt; &lt;/div&gt; &lt;!-- 2 --&gt;&lt;div class='float_left float_left column'&gt; &lt;?php echo $chart-&gt;mysql_fetch($chart-&gt;daycal(-2)); ?&gt; &lt;/div&gt; &lt;!-- 3 --&gt;&lt;div class='float_left column' &gt; &lt;?php echo $chart-&gt;mysql_fetch($chart-&gt;daycal(-1)); ?&gt; &lt;/div&gt; &lt;!-- 4 --&gt;&lt;div class='float_left column' &gt; &lt;?php echo $chart-&gt;mysql_fetch($chart-&gt;daycal(0)); ?&gt; &lt;/div&gt; &lt;!-- 5 --&gt;&lt;div class='float_left column' &gt; &lt;?php echo $chart-&gt;mysql_fetch($chart-&gt;daycal(1)); ?&gt; &lt;/div&gt; &lt;!-- 6 --&gt;&lt;div class='float_left column' &gt; &lt;?php echo $chart-&gt;mysql_fetch($chart-&gt;daycal(2)); ?&gt; &lt;/div&gt; &lt;!-- 7 --&gt;&lt;div class='float_left column' &gt; &lt;?php echo $chart-&gt;mysql_fetch($chart-&gt;daycal(3)); ?&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class='float_single_full' &gt;&lt;/div&gt; &lt;div class='float_left bottom_chart' style="margin-left:10px;"&gt;&lt;?php echo $chart-&gt;dayofweek(-3); ?&gt;&lt;/div&gt; &lt;div class='float_left bottom_chart'&gt;&lt;?php echo $chart-&gt;dayofweek(-2); ?&gt;&lt;/div&gt; &lt;div class='float_left bottom_chart'&gt;&lt;?php echo $chart-&gt;dayofweek(-1); ?&gt;&lt;/div&gt; &lt;div class='float_left bottom_chart' style='font-weight:bold'&gt;&lt;?php echo $chart-&gt;dayofweek(0); ?&gt;&lt;/div&gt; &lt;div class='float_left bottom_chart'&gt;&lt;?php echo $chart-&gt;dayofweek(1); ?&gt;&lt;/div&gt; &lt;div class='float_left bottom_chart'&gt;&lt;?php echo $chart-&gt;dayofweek(2); ?&gt;&lt;/div&gt; &lt;div class='float_left bottom_chart'&gt;&lt;?php echo $chart-&gt;dayofweek(3); echo ' username: ' . $_SESSION['user_name']; ?&gt;&lt;/div&gt; &lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
 

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