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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
2821 | // null, or false to accommodate caching plugins that fill posts later. |
2822 | if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) ) |
2823 | return; |
2824 |
|
2825 | if ( ! empty( $limits ) ) |
2826 | $this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) ); |
2827 | else |
2828 | $this->found_posts = count( $this->posts ); |
2829 |
|
2830 | $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) ); |
2831 |
|
2832 | if ( ! empty( $limits ) ) |
2833 | $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] ); |
2834 | } |
2835 |
|
2836 | /** |
2837 | * Set up the next post and iterate current post index. |
2838 | * |
2839 | * @since 1.5.0 |