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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 |
|---|---|
| 160 | $permalink = preg_replace('#/+#', '/', "/$permalink/"); |
| 161 | $output = get_settings('home') . $permalink; |
| 162 | } else { |
| 163 | if ( false !== strpos($feed, 'comments_') ) |
| 164 | $feed = str_replace('comments_', 'comments-', $feed); |
| 165 | |
| 166 | $output = get_settings('home') . "/?feed={$feed}"; |
| 167 | } |
| 168 | |
| 169 | return apply_filters('feed_link', $output, $feed); |
| 170 | } |
| 171 | |
| 172 | function edit_post_link($link = 'Edit This', $before = '', $after = '') { |
| 173 | global $user_ID, $post; |
| 174 | |
| 175 | get_currentuserinfo(); |
| 176 | |
| 177 | if (!user_can_edit_post($user_ID, $post->ID)) { |
| 178 | return; |