in_category()

Function: Check if the current post is within any of the given categories.

Source: wp-includes/category-template.php:245

Used by 0 functions | Uses 1 function

is_404()

Function: Determines whether the query has resulted in a 404 (returns no results).

Source: wp-includes/query.php:789

Used by 11 functions | Uses 3 functions

is_admin()

Function: Determines whether the current request is for an administrative interface page.

Source: wp-includes/load.php:823

Used by 58 functions | Uses 0 functions

is_author()

Function: Determines whether the query is for an existing author archive page.

Source: wp-includes/query.php:231

Used by 9 functions | Uses 3 functions