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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 |
|---|---|
| 51 | } else { |
| 52 | $link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after; |
| 53 | } |
| 54 | |
| 55 | echo apply_filters('register', $link); |
| 56 | } |
| 57 | |
| 58 | |
| 59 | function wp_meta() { |
| 60 | do_action('wp_meta'); |
| 61 | } |
| 62 | |
| 63 | |
| 64 | function bloginfo($show='') { |
| 65 | echo get_bloginfo($show, 'display'); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Note: some of these values are DEPRECATED. Meaning they could be |