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1. rose.jim@verizon.net
   Member
   Posted 4 months ago #

   I've read many of the postings on this problem.
   I feel that my problem isn't covered.

   The plug-in "Simple Login Log" is successful in setting the headers properly and sending a .csv file to the user. No error messages.

   The code which this plugin uses is:
   [Code moderated as per the Forum Rules. Please use the pastebin]

   Copying that code into a new plug-in (fjanth) produces the error message:
   "[09-Jan-2012 22:24:45] PHP Warning: Cannot modify header information - headers already sent by (output started at /home5/fjarchiv/public_html/wp-admin/includes/template.php:1657) in /home5/fjarchiv/public_html/wp-content/plugins/fjanth/fjanth.php on line 112"

   The code I'm using is:
   [Code moderated as per the Forum Rules. Please use the pastebin]

   The issue for me is why does one plugin work and the other not?

2. esmi
   Theme Diva & Forum Moderator
   Posted 4 months ago #

   See Solving "headers already sent" warnings.

3. rose.jim@verizon.net
   Member
   Posted 4 months ago #

   I have read the posts. Again, forcing a download works for the plugin "Simple Login Log" (which sends a .csv file to the user). But it does not work in the following (short) plugin.

   [Code moderated as per the Forum Rules. Please use the pastebin]

4. rose.jim@verizon.net
   Member
   Posted 4 months ago #

   The sample code for this plugin (56 lines) can be found at: http://pastebin.com/jg9KzQxk

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