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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 163 | $month = gmdate('m', time()+(get_settings('gmt_offset') * 3600)); |
| 164 | if ( !$day ) |
| 165 | $day = gmdate('j', time()+(get_settings('gmt_offset') * 3600)); |
| 166 | |
| 167 | $daylink = $wp_rewrite->get_day_permastruct(); |
| 168 | if ( !empty($daylink) ) { |
| 169 | $daylink = str_replace('%year%', $year, $daylink); |
| 170 | $daylink = str_replace('%monthnum%', zeroise(intval($month), 2), $daylink); |
| 171 | $daylink = str_replace('%day%', zeroise(intval($day), 2), $daylink); |
| 172 | return apply_filters('day_link', get_settings('home') . trailingslashit($daylink), $year, $month, $day); |
| 173 | } else { |
| 174 | return apply_filters('day_link', get_settings('home') . '/?m=' . $year . zeroise($month, 2) . zeroise($day, 2), $year, $month, $day); |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | function get_feed_link($feed='rss2') { |
| 179 | global $wp_rewrite; |
| 180 | $do_perma = 0; |
| 181 | $feed_url = get_settings('siteurl'); |
| 182 | $comment_feed_url = $feed_url; |
| 183 | |