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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 |
---|---|
3821 |
|
3822 | /** |
3823 | * Filter the number of found posts for the query. |
3824 | * |
3825 | * @since 2.1.0 |
3826 | * |
3827 | * @param int $found_posts The number of posts found. |
3828 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
3829 | */ |
3830 | $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) ); |
3831 |
|
3832 | if ( ! empty( $limits ) ) |
3833 | $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] ); |
3834 | } |
3835 |
|
3836 | /** |
3837 | * Set up the next post and iterate current post index. |
3838 | * |
3839 | * @since 1.5.0 |