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    <p>Something somewhere before session start and session regenerate id is putting something on the page. If you are sure you're not echoing or printing anything to the page, it's probably a blank space at the top of one of the files. </p> <p><strong>EDIT 1</strong></p> <p>Some text editors/word processors save files with extra invisible characters at the top due to encoding. Try copying and pasting the text of the files into new files in a plain text editor or text editor recommended for coding, such as Notepad++.</p> <p><strong>EDIT 2</strong></p> <p>So, those were the most likely solutions.... It says </p> <pre><code>output started at /home2/mysite/public_html/mysubsite/index_3.php:7 </code></pre> <p>which means that it's line 7 of index_3.php where the output starts at. There is probably a space there or maybe some kind of error that causes output to be sent.</p> <p>If you really can't find that invisible output, you can use buffering with <a href="http://php.net/manual/en/function.ob-start.php" rel="nofollow">ob_start</a> etc. to catch all output. Put ob_start before your session start and use ob_end_flush later to display the page. But that's not a real fix for the fact that you're sending output without knowing it.</p> <p><strong>EDIT 3: "No output" includes any and all HTML.</strong> </p> <p>If there's something in any file that is not inside PHP brackets &lt;?php ?&gt; then that counts. Your index_3.php file starts with HTML. That is output. You have to do get_opwire.php first.</p> <p><strong>EDIT 4</strong></p> <p>Concerning how get_opwire.php has both page-start stuff and the table printout, it's an example of why it's a good idea to separate your display code from your functionality code. You have three options:</p> <ol> <li>Have separate files. You would have a file like page_start.php that does includes and session_start that you include at the very top of index_3.php, and a file like display_table.php that displays your table that you include where the table goes. </li> <li>Turn the table into a function. You would wrap the table output inside a function, include get_opwire.php at the very top of index_3.php, then call the function down where you want the table. </li> <li>Use output buffering. Output buffering catches the stuff printed out so that you can use it later. It would go like this:</li> </ol> <p>top of index_3.php:</p> <pre><code> ob_start(); include get_opwire.php; $table = ob_get_contents(); ob_end_clean(); </code></pre> <p>where the table goes:</p> <pre><code> echo $table; </code></pre>
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    1. COThe table echos in get_opwire but not until far after the session start. I've check all files for spaces and still get the error.
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    2. CONegative after edit, tried notepad++
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    3. COI just added the first several lines of index_3.php. Line 7 appears to be <title>index_3</title> ...that would cause this error?
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