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Description

This filter hook allows developers to adjust the number of posts that WordPress's WP_Query class reports finding when it runs a query.

This hook is especially useful when developing custom pagination. For instance, if you are declaring a custom offset value in your queries, WordPress will NOT deduct the offset from the the $wp_query->found_posts parameter (for example, if you have 45 usable posts after an offset of 10, WordPress will ignore the offset and still give found_posts a value of 55).

Make sure you haven't passed no_found_rows in query arguments, Otherwise you will receive a 0 value in return.

Related

Articles

• Article: The Loop - A basic overview of its use of query within the WordPress loop.
• Article: Query Overview - Explanation of how to determine which queries generate WordPress.
• Article: Customizing Queries via Hook
• Article: View Articles MYSQL query using custom
• Article: Build advanced queries on Taxonomies
• Article: Build custom query using Offset and pagination

Code Documentation

• Class: WP_Query - Detailed Overview of class WP_Query
• Class: WP_Comment_Query - Class for comment-related queries
• Class: WP_User_Query - Class for user-related queries
• Object: $wpdb - Overview on the use of the $wpdb object
• Function: set_query_var()
• Function: get_query_var()
• Function: query_posts() - Create additional custom query
• Function: get_post() - Take an ID of an item and return the records in the database for that article
• Function: get_posts() - A specialized function that returns an array of items
• Function: get_pages() - A specialized function that returns an array of pages
• Function: have_posts() - A condition that determines whether the query returned an article
• Function: the_post() - Used to automatically set the loop after a query
• Function: rewind_posts() - Clears the current loop
• Function: setup_postdata() - Sets the data for a single query result within a loop
• Function: wp_reset_postdata() - Restores the previous query (usually after a loop within another loop)
• Function: wp_reset_query()
• Function: is_main_query() - Ensures that the query that is being changed is only the main query
• Action Hook: pre_get_posts - Change WordPress queries before they are executed
• Action Hook: the_post - Modify the post object after query
• Filter Hook: found_posts - Changes the value of the object found_posts WP_Query