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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 |
|---|---|
| 2461 | if ( ! current_user_can($read_cap, $this->posts[0]->ID) ) |
| 2462 | $this->posts = array(); |
| 2463 | } else { |
| 2464 | $this->posts = array(); |
| 2465 | } |
| 2466 | } |
| 2467 | } |
| 2468 | |
| 2469 | if ( $this->is_preview && current_user_can( $edit_cap, $this->posts[0]->ID ) ) |
| 2470 | $this->posts[0] = apply_filters_ref_array('the_preview', array( $this->posts[0], &$this )); |
| 2471 | } |
| 2472 | |
| 2473 | // Put sticky posts at the top of the posts array |
| 2474 | $sticky_posts = get_option('sticky_posts'); |
| 2475 | if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['caller_get_posts'] ) { |
| 2476 | $num_posts = count($this->posts); |
| 2477 | $sticky_offset = 0; |
| 2478 | // Loop over posts and relocate stickies to the front. |
| 2479 | for ( $i = 0; $i < $num_posts; $i++ ) { |