Warning: Cannot modify header information – headers already sent…

When moving a PHP application between servers or hosts, or updating your PHP, you may run into an error similar to something like this:

Warning: Cannot modify header information - headers already sent by (output started at /path/to/site/public_html/config.php:517) in /path/to/application/public_html/somepage.php on line 153

This is often referred to as a PHP whitespace problem, meaning somewhere in the PHP file there is an empty space, usually at the beginning or end of the file.
Read the rest of this entry »

Adding SMTP and POP3 to a Hotmail Account

It appears that Microsoft may be learning from the success of a little company known as Google. Now you can finally migrate all your Hotmail messages into a much superior Gmail account with Microsoft’s addition of POP3 and SMTP. Some countries (United Kingdom, Canada, Australia, France, Japan, Spain, Germany, Italy, and the Netherlands) already have this feature, but it will not be worldwide until the end of 2009. However, with a little trickery it can be accessed by everyone now.

To setup POP3 and SMTP with your Hotmail aka Windows Live Mail you need to know some server settings.
Read the rest of this entry »