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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 |
|---|---|
| 1222 | break; |
| 1223 | } |
| 1224 | } |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) { |
| 1229 | $meta_value = "$url\n$len\n$type\n"; |
| 1230 | $wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) ); |
| 1231 | do_action( 'added_postmeta', $wpdb->insert_id, $post_ID, 'enclosure', $meta_value ); |
| 1232 | } |
| 1233 | } |
| 1234 | } |
| 1235 | } |
| 1236 | } |
| 1237 | |
| 1238 | /** |
| 1239 | * Perform a HTTP HEAD or GET request. |
| 1240 | * |