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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 |
---|---|
3653 |
|
3654 | /** |
3655 | * Filter the number of found posts for the query. |
3656 | * |
3657 | * @since 2.1.0 |
3658 | * |
3659 | * @param int $found_posts The number of posts found. |
3660 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
3661 | */ |
3662 | $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) ); |
3663 |
|
3664 | if ( ! empty( $limits ) ) |
3665 | $this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] ); |
3666 | } |
3667 |
|
3668 | /** |
3669 | * Set up the next post and iterate current post index. |
3670 | * |
3671 | * @since 1.5.0 |