Filters the number of found posts for the query.

Parameters

$found_postsint

The number of posts found.

$queryWP_Query

The WP_Query instance (passed by reference).

More Information

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.

Source

$this->found_posts = (int) apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );

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