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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 |
|---|---|
| 1218 | } |
| 1219 | |
| 1220 | /** |
| 1221 | * Filters the returned trackback URL. |
| 1222 | * |
| 1223 | * @since 2.2.0 |
| 1224 | * |
| 1225 | * @param string $trackback_url The trackback URL. |
| 1226 | */ |
| 1227 | return apply_filters( 'trackback_url', $trackback_url ); |
| 1228 | } |
| 1229 | |
| 1230 | /** |
| 1231 | * Displays the current post's trackback URL. |
| 1232 | * |
| 1233 | * @since 0.71 |
| 1234 | * |
| 1235 | * @param bool $deprecated_echo Not used. |
| 1236 | * @return void|string Should only be used to echo the trackback URL, use get_trackback_url() |