Determines whether the query is for the blog homepage.
is_comment_feed
Is the query for a comments feed?
is_day
Determines whether the query is for an existing day archive.
is_feed
Determines whether the query is for a feed.
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is_date
Determines whether the query is for an existing date archive.
is_tax
Determines whether the query is for an existing custom taxonomy archive page.
is_tag
Determines whether the query is for an existing tag archive page.
is_category
Determines whether the query is for an existing category archive page.
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is_author
Determines whether the query is for an existing author archive page.
is_attachment
Determines whether the query is for an existing attachment page.
is_post_type_archive
Determines whether the query is for an existing post type archive page.
is_archive
Determines whether the query is for an existing archive page.
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wp_reset_postdata
After looping through a separate query, this function restores the $post global to the current post in the main query.
query_posts
Sets up The Loop with query parameters.
wp_reset_query
Destroys the previous query and sets up a new query.