asked on

Error: "Header info already sent"

I know what the error means but I can't see it in the attached code.
I'm getting the following error:

Warning: Cannot modify header information - headers already sent by (output started at /home/langsyst/public_html/Lansco/Company_Display.php:30) in /home/langsyst/public_html/Lansco/Company_Display.php on line 46

Line 30 is "<?php

The include statements at the top have no "echo"

I've attached the code.
Company_Display.php

Branislav Borojevic

You seem to have a whitespace after the closing

?>

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.

Please remove the whitespace and re-test.

Dave Baldwin

Header ("Location:$work"); can not be used after you have sent HTML content. After all, it is a header and must come before any content.

gr8gonzo

Here's an article from Ray on the topic.
https://www.experts-exchange.com/articles/4423/Warning-Cannot-modify-header-information-headers-already-sent.html

breeze351

ASKER

Where is the HTML content? I don't see it. I know that's the problem.

gr8gonzo

Lines 12-29 are all output - everything from <!DOCTYPE....> to the blank space after the <body> tag are all output. Just move it down to the bottom of that same file.

Ray Paseur

Maybe try it like this:

<?php


ob_start();


// **************************************************************
// * Company_Add.php                                            *
// * Keyin screen for company add/edit.                         *
// **************************************************************
// * Ver    By     Date       Description                       *
// * 4.01   GJJD   04/25/16   Modify for PHP 5.6                *
// **************************************************************
	include 'Session_Start.php';
	include 'db_connect_inc.php';
?>	
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"  "http://www.w3.org/TR/html4/loose.dtd">
<head>
<title>Contact Display</title>
	<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
	<link rel="stylesheet" type="text/css" href="NewCss.css">
    <script type='text/javascript' src='//code.jquery.com/jquery-2.1.3.js'></script>
    <script type="text/javascript" src="http://digitalbush.com/wp-content/uploads/2014/10/jquery.maskedinput.js"></script>

<script type="text/javascript">
		function MM_goToURL() 
		{ 
			var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
			for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
		}
</script>
</head>   
<body>	

<?php
	include 'Check_Login.php';
	include 'Prog_Count_inc.php';
	$Display_Phone = $_SESSION['South'];
	$_SESSION['South'] = str_replace("/", "", $_SESSION['South']);
	$_SESSION['South'] = str_replace("(", "", $_SESSION['South']); 
	$_SESSION['South'] = str_replace(")", "", $_SESSION['South']); 
	$_SESSION['South'] = str_replace(" ", "", $_SESSION['South']); 
	$_SESSION['South'] = str_replace("-", "", $_SESSION['South']); 
	$_SESSION['South'] = trim($_SESSION['South']); 
	$work = strlen($_SESSION['South']);
	if ($work != 10)
	{
		$_SESSION['Message'] = "Invalid phone number entered!";
		$_SESSION['Error'] = "Y";
		$work = $_SESSION['Last_Page'];
		Header ("Location:$work");
		exit;
	}
	$Data = $_SESSION['South'];
	include 'menu_inc.php';

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Ref:
https://www.experts-exchange.com/articles/4423/Warning-Cannot-modify-header-information-headers-already-sent.html

Dave Baldwin

Hello???? You can NOT put Header ("Location:$work"); (line 51 in Ray's code) after any HTML content has been sent!!!! It is an HTTP header, it MUST come before any content is sent. That is the reason for the error message.

For reference: http://php.net/manual/en/function.header.php

ASKER CERTIFIED SOLUTION

Ray Paseur

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See answer

breeze351

ASKER

Got it.
Thanks

Error: &quot;Header info already sent&quot;

Error: "Header info already sent"