Have you ever gotten that nasty error that looks a little something like this: “Warning: Cannot modify header information – headers already sent by” etc etc. ? This is usually an easy fix. We want to thank one of our Twitter followers, Michael Kuhlmann (@mfgmk) , for reminding us of this tip: Try deleting empty spaces in your functions file. You may have added them accidentally, it may be an error in the theme you’re using, or perhaps your FTP client added them. Just delete the extra spaces before and after the opening and closing PHP tags:
<- Extra Space ->
<?php
?>
<- Extra Space ->
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April 1, 2010 
I ran into this a while back, pouring over my code looking for the error. Finally found the issue with some Google searching. This is one of those that you will spend way too much time trying to figure out the answer and when you do it is as easy as a few delete keys. Thanks, nice tip!