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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 |
---|---|
2669 | if ( ! current_user_can($read_cap, $this->posts[0]->ID) ) |
2670 | $this->posts = array(); |
2671 | } else { |
2672 | $this->posts = array(); |
2673 | } |
2674 | } |
2675 | } |
2676 |
|
2677 | if ( $this->is_preview && current_user_can( $edit_cap, $this->posts[0]->ID ) ) |
2678 | $this->posts[0] = apply_filters_ref_array('the_preview', array( $this->posts[0], &$this )); |
2679 | } |
2680 |
|
2681 | // Put sticky posts at the top of the posts array |
2682 | $sticky_posts = get_option('sticky_posts'); |
2683 | if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) { |
2684 | $num_posts = count($this->posts); |
2685 | $sticky_offset = 0; |
2686 | // Loop over posts and relocate stickies to the front. |
2687 | for ( $i = 0; $i < $num_posts; $i++ ) { |