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5. WordPress "Tag" Functions

WordPress has hundreds of functions, which do everything from query the database to automatically capitalize the "p" in "WordPress." However, useful patterns do emerge, and two of these patterns are in WordPress's families of "tag" functions.

In The Magic of the_() and get_the_() Post Template Tags, we cover a subset of WordPress's post template tags that fall into familiar structural patterns and do useful things in themes.

In WordPress's Conditional Tags, we cover what the WordPress experts we interviewed for Up and Running commonly cited as their "Favorite API" in WordPress: simple conditional tags like is_page().