Retrieve archive link content based on predefined or custom code.
wp_title
Display or retrieve page title for all areas of blog.
comment_text_rss
Display the current comment content for use in the feeds.
comment_author_rss
Display the current comment author in the feed.
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wp_set_comment_status
Sets the status of a comment.
wp_get_comment_status
The status of a comment by ID.
get_cat_name
Retrieves the name of a category from its ID.
get_cat_ID
Retrieves the ID of a category from its name.
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category_description
Retrieve category description.
get_category_link
Retrieve category link URL.
check_column
Checks that database table column matches the criteria.
maybe_drop_column
Drops column from database table, if it exists.
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maybe_add_column
Adds column to database table, if it doesn’t already exist.
maybe_create_table
Creates a table in the database if it doesn’t already exist.