What will get_post_meta($post_id, $key) return?

Which action occurs when a post is saved?

Where do deprecated Template Tags, Conditional Tags and Include Tags go before they die?

What Function trashes or deletes a comment?

Which JavaScript library was added to the core in WordPress 3.5?

Which WordPress function returns difference between two timestamps in a human readable format ('1 day', '10 mins'...)?

In wp_redirect( $one, $two ), $one is the URL you're going to redirect to, while $two is ___

How to retrieve single variable from database?

What is bbPress?

The function the_excerpt() can be used anywhere in your WordPress theme.

The excerpt can be customized: