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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 |
|---|---|
| 1255 | break; |
| 1256 | } |
| 1257 | } |
| 1258 | } |
| 1259 | } |
| 1260 | |
| 1261 | if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) { |
| 1262 | $meta_value = "$url\n$len\n$type\n"; |
| 1263 | $wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) ); |
| 1264 | do_action( 'added_postmeta', $wpdb->insert_id, $post_ID, 'enclosure', $meta_value ); |
| 1265 | } |
| 1266 | } |
| 1267 | } |
| 1268 | } |
| 1269 | } |
| 1270 | |
| 1271 | /** |
| 1272 | * Perform a HTTP HEAD or GET request. |
| 1273 | * |