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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 |
|---|---|
| 130 | if (empty($link)) { |
| 131 | $file = get_settings('home') . '/'; |
| 132 | $link = $file . '?author=' . $auth_ID; |
| 133 | } else { |
| 134 | if ('' == $author_nicename) $author_nicename = $cache_userdata[$author_id]->author_nicename; |
| 135 | $link = str_replace('%author%', $author_nicename, $link); |
| 136 | $link = get_settings('home') . trailingslashit($link); |
| 137 | } |
| 138 | |
| 139 | $link = apply_filters('author_link', $link, $author_id, $author_nicename); |
| 140 | if ($echo) echo $link; |
| 141 | return $link; |
| 142 | } |
| 143 | |
| 144 | function wp_list_authors($args = '') { |
| 145 | parse_str($args, $r); |
| 146 | if (!isset($r['optioncount'])) $r['optioncount'] = false; |
| 147 | if (!isset($r['exclude_admin'])) $r['exclude_admin'] = true; |
| 148 | if (!isset($r['show_fullname'])) $r['show_fullname'] = false; |