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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 |
|---|---|
| 238 | function atom_enclosure() { |
| 239 | global $id, $post; |
| 240 | if ( !empty($post->post_password) && ($_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password) ) |
| 241 | return; |
| 242 | |
| 243 | foreach (get_post_custom() as $key => $val) { |
| 244 | if ($key == 'enclosure') { |
| 245 | foreach ((array)$val as $enc) { |
| 246 | $enclosure = split("\n", $enc); |
| 247 | echo apply_filters('atom_enclosure', '<link href="' . trim(htmlspecialchars($enclosure[0])) . '" rel="enclosure" length="' . trim($enclosure[1]) . '" type="' . trim($enclosure[2]) . '" />' . "\n"); |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | ?> |
| 254 | |