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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 3693 | if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) { |
| 3694 | /** |
| 3695 | * Filter the single post for preview mode. |
| 3696 | * |
| 3697 | * @since 2.7.0 |
| 3698 | * |
| 3699 | * @param WP_Post $post_preview The Post object. |
| 3700 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
| 3701 | */ |
| 3702 | $this->posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this->posts[0], &$this ) ) ); |
| 3703 | } |
| 3704 | } |
| 3705 | |
| 3706 | // Put sticky posts at the top of the posts array |
| 3707 | $sticky_posts = get_option('sticky_posts'); |
| 3708 | if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) { |
| 3709 | $num_posts = count($this->posts); |
| 3710 | $sticky_offset = 0; |
| 3711 | // Loop over posts and relocate stickies to the front. |