Event: Added SMTP server example by Andrew Rose

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@331238 c90b9560-bf6c-de11-be94-00142212c4b1
Add verbiage explaining what the datetime.formats subpages actually document.

Fixes doc bug #65594 (date format missing).


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@331239 c90b9560-bf6c-de11-be94-00142212c4b1