WordPress has had post thumbnail feature since version 2.9. But untill now, there isn't offical function to get post thumbnail url. The get_the_post_thumbnail() function is very close, but it only returns HTML code. Of course we can parse this code … [Read more...]

Validate email address is very common task for all web developers. An usual method is using regular expression. This is strong method and works in most cases. But in WordPress, we don't have to spend plenty of time thinking about validation pattern. … [Read more...]