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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 |
|---|---|
| 1277 | |
| 1278 | /** |
| 1279 | * Filters whether the current post is open for pings. |
| 1280 | * |
| 1281 | * @since 2.5.0 |
| 1282 | * |
| 1283 | * @param bool $open Whether the current post is open for pings. |
| 1284 | * @param int $post_id The post ID. |
| 1285 | */ |
| 1286 | return apply_filters( 'pings_open', $open, $post_id ); |
| 1287 | } |
| 1288 | |
| 1289 | /** |
| 1290 | * Displays form token for unfiltered comments. |
| 1291 | * |
| 1292 | * Will only display nonce token if the current user has permissions for |
| 1293 | * unfiltered html. Won't display the token for other users. |
| 1294 | * |
| 1295 | * The function was backported to 2.0.10 and was added to versions 2.1.3 and |