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This error usually means that you have a blank line at the beginning of your script. &nbsp;If so, remove it.
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This error usually means that you have a blank line at the beginning of your script.  If so, remove it.

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derrida,<br />
<br />
what's the file type? plain text/UTF8 ?<br />
if UTF8, it's mostly because of the byte order mark cause. <br />
<a href="https://www.experts-exchange.com/questions/24037516/error-retrieve-session-data-from-UTF8-file.html" rel="ugc">https://www.experts-exchange.com/questions/24037516/error-retrieve-session-data-from-UTF8-file.html</a><br />
please read id 23333523
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derrida,

what's the file type? plain text/UTF8 ?
if UTF8, it's mostly because of the byte order mark cause.
https://www.experts-exchange.com/questions/24037516/error-retrieve-session-data-from-UTF8-file.html [https://www.experts-exchange.com/questions/24037516/error-retrieve-session-data-from-UTF8-file.html]
please read id 23333523

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<div class="content wysiwyg-content">
Hi<br />
i have a contact form. when i send it i get:<br />
Warning: Cannot modify header information - headers already sent by (output started at C:\wamp\www\or_02\contact.<wbr />php:290) in C:\wamp\www\or_02\contact.<wbr />php on line 376<br />
<br />
this is the most basic things.<br />
the code is attached.<br />
<br />
best regards<br />
<br />
ron<br />

<pre><code id="code-245439">if(isset($_POST['submit'])){
$to = &quot;me@gmail.com&quot;;
$subject = $_POST[&quot;email_subject&quot;];
$message = $_POST[&quot;email_msg&quot;];
$from = $_POST[&quot;email_email&quot;];
$headers = &quot;From: $from&quot;;
$domail = mail($to,$subject,$message,$headers); 
if($domail){
	header('Location: contacthanks.php');
}else{
	echo &quot;not ok&quot;;
} 
}
</code></pre>
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Hi
i have a contact form. when i send it i get:
Warning: Cannot modify header information - headers already sent by (output started at C:\wamp\www\or_02\contact.php:290) in C:\wamp\www\or_02\contact.php on line 376

this is the most basic things.
the code is attached.

best regards

ron

header problem

PHP is a widely-used server-side scripting language especially suited for web development, powering tens of millions of sites from Facebook to personal WordPress blogs. PHP is often paired with the MySQL relational database, but includes support for most other mainstream databases. By utilizing different Server APIs, PHP can work on many different web servers as a server-side scripting language.