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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 |
|---|---|
| 2295 | } |
| 2296 | } else { |
| 2297 | if (! current_user_can("read_$post_type_cap", $this->posts[0]->ID)) |
| 2298 | $this->posts = array(); |
| 2299 | } |
| 2300 | } |
| 2301 | } |
| 2302 | |
| 2303 | if ( $this->is_preview && current_user_can( "edit_{$post_type_cap}", $this->posts[0]->ID ) ) |
| 2304 | $this->posts[0] = apply_filters('the_preview', $this->posts[0]); |
| 2305 | } |
| 2306 | |
| 2307 | // Put sticky posts at the top of the posts array |
| 2308 | $sticky_posts = get_option('sticky_posts'); |
| 2309 | if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['caller_get_posts'] ) { |
| 2310 | $num_posts = count($this->posts); |
| 2311 | $sticky_offset = 0; |
| 2312 | // Loop over posts and relocate stickies to the front. |
| 2313 | for ( $i = 0; $i < $num_posts; $i++ ) { |