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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 |
|---|---|
| 1377 | |
| 1378 | /** |
| 1379 | * Filters whether the provided username is valid or not. |
| 1380 | * |
| 1381 | * @since 2.0.1 |
| 1382 | * |
| 1383 | * @param bool $valid Whether given username is valid. |
| 1384 | * @param string $username Username to check. |
| 1385 | */ |
| 1386 | return apply_filters( 'validate_username', $valid, $username ); |
| 1387 | } |
| 1388 | |
| 1389 | /** |
| 1390 | * Insert a user into the database. |
| 1391 | * |
| 1392 | * Most of the `$userdata` array fields have filters associated with the values. Exceptions are |
| 1393 | * 'ID', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', |
| 1394 | * 'user_registered', and 'role'. The filters have the prefix 'pre_user_' followed by the field |
| 1395 | * name. An example using 'description' would have the filter called, 'pre_user_description' that |