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POWordpress PHP Include
 

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    <p><em>EDIT SOLVED</em> The code <code>&lt;?php ob_start(); ?&gt;</code> put before any other output seemed to solve the problem.</p> <p>I have a problem with errors appearing on a page on my site.</p> <p>I am including 3 php files before any HTML output which is.</p> <pre><code>&lt;?php include_once("rpw_includes/dtd_site_root.php"); include_once("rpw_includes/dtd_remote_module_classes.php"); include_once("rpw_includes/rpw_remote_module_classes.php"); ?&gt; &lt;!DOCTYPE html&gt; &lt;head&gt; </code></pre> <p>That code is in my header.php file and all works fine on my index file but when i go onto another page which also calls the same header file i get these errors.</p> <pre><code>Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\xampp\htdocs\barnet\wp-content\themes\barnet\search-results.php:7) in C:\xampp\htdocs\barnet\wp-content\themes\barnet\rpw_includes\dtd_remote_module_classes.php on line 15 Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\barnet\wp-content\themes\barnet\search-results.php:7) in C:\xampp\htdocs\barnet\wp-content\themes\barnet\rpw_includes\dtd_remote_module_classes.php on line 16 Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\barnet\wp-content\themes\barnet\search-results.php:7) in C:\xampp\htdocs\barnet\wp-content\themes\barnet\rpw_includes\dtd_remote_module_classes.php on line 17 </code></pre> <p>Any ideas?</p> <p>EDIT*</p> <p>search-results.php</p> <pre><code>&lt;?php /* Template Name: Search Results */ ?&gt; &lt;?php ob_start(); ?&gt; &lt;?php get_header(); ?&gt; &lt;div id="page-search-hold"&gt; &lt;Div id="page-search"&gt;&lt;/div&gt; &lt;/div&gt; &lt;?php $module_obj= new RPW_results_obj(); $module_obj-&gt;write_html(); ?&gt; &lt;?php get_footer(); ?&gt; </code></pre> <p>With the ob_start(); added the errors dissapear but i get about a 20px margin before my body starts like there should be erros but they are just not showing?</p>
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    1. COAs with all the other 50 kajillion versions of this question on the site: one or more of your pages is doing output before PHP reaches the session_start(), causing this error. Look at line 7 of search-results.php and start tracking things down from there.
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      1. USMarc B
    2. COpossible duplicate of [Cannot modify header information - headers already sent, Why its happening](http://stackoverflow.com/questions/1827314/cannot-modify-header-information-headers-already-sent-why-its-happening)
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