[pmwiki-users] Failing mailform use

[Patrick R. Michaud]

When the error "Cannot modify header information -- headers already sent"
is the first error message to appear, it almost always means that there
are extra spaces or blank lines outside of the <?php ... ?> in one of
the .php scripts being used.

Pm


On Sun, Apr 10, 2005 at 07:35:23PM -0700, John W Morris wrote:
>    I keep getting error messages when using mailform.php.  Notice... this is
>    way over my head.
>     
>    Thanks   -- John Morris
>     
>    At no time am I ever getting to the "markup" -this error shows on site
>    first page.
> 
>      ----------------------------------------------------------------------
> 
>    When run mailform from a "Field" I get the following:
>     Warning: Cannot modify header information - headers already sent by
>    (output started at
>    /home/virtual/site4/fst/var/www/html/pmwiki/cookbook/mailform.php:79) in
>    /home/virtual/site1/fst/var/www/html/storywiki/pmwiki.php on line 658
>     
>    It didn't seem to matter if I put the mailform local to the field or left
>    it on the "Farm", I tried both of these "includes" in the Field
>    config.php------
>    include_once('http://www.evnsong.com/storywiki/cookbook/mailform.php');  #
>    from Farm
>    include_once('cookbook/mailform.php');                # put mailform in a
>    cookbook dir in the "Field" wiki
>     
> 
>      ----------------------------------------------------------------------
> 
>    Got essentially the same error when trying to include the mailform.php  in
>    the Farm and include it in that local config.php file.
>     
>     Warning: Cannot modify header information - headers already sent by
>    (output started at
>    /home/virtual/site1/fst/var/www/html/storywiki/cookbook/mailform.php:79)
>    in /home/virtual/site1/fst/var/www/html/storywiki/pmwiki.php on line 658
>     
>    include_once('cookbook/mailform.php');
>    $MailFormAddresses['test'] = 'johnwmorris at peak.org';
>    $MailFormDefaultSender = 'someone at evnsong.com';
> 
>      ----------------------------------------------------------------------
> 
>    Line 658 in the pmwiki.php file is in red
>     
>    function PrintFmt($pagename,$fmt) {
>      global $HTTPHeaders,$FmtV;
>      if (is_array($fmt))
>        { foreach($fmt as $f) PrintFmt($pagename,$f); return; }
>      if ($fmt == 'headers:') {
>        foreach($HTTPHeaders as $h) (@$sent++) ? @header($h) : header($h);
>        return;
>      }
>     
>     
>     

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