email notification for my guestbook

I would like to get an email notification whenever a guest post a new message.
I have add the following script at the end of the script: 

mail("myemailadress",$message,$subject); 

but I get a notification anytime somebody visit the guestbook also without posting. So I think I should add something like: 

<?php
if($_POST['message'])
mail("myemailadress",$message,$betreff);
?>
but I do not get neither a error message nor a notification. 

Can you give me a good hint? 

Thanks

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use the empty() function

Hi there, 

Yeah, you almost got it. 

Try comparing user's input to empty string '' or use empty() function: 

<?php
if(empty($_POST['message'])){
    // display error message
} else {
    // OK to send email
    mail("myemailadress",$message,$betreff);
}
?>  

You can also do an if comparison this way: 

if($_POST['message']=='') 

Let me know if it works,
Steven

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also.... one more thing

in your mail() function, you will need to pass in $_POST['message'] instead of just $message.  Also, what is $betreff set to?  Did you pass in an email header?

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let me know...

let me know if you are still having trouble with this... 

Good day!

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I had fixed it

Dear uclaboyz 

Thanks for having looked into it !! It did not work because I had placed the
mail("myemailadress",$message,$subject);
at the end of the feedback form  instead of at the end of the handle form. That means, it is not necessary to introduce an "if conditional". 

Paldo 

P.S Would you please replace the email address [myemailadress] on my first message by "myemailadress" (  to avoid spam mail)? Thank you

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email removed

yeah, good idea.  Email removed as requested.  So you still having trouble with your code, or problem solved?

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Problem solved

Thank you, the script is now running as I like.

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