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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 |
|---|---|
| 421 | |
| 422 | /** |
| 423 | * Fires after an option has been added. |
| 424 | * |
| 425 | * @since 2.9.0 |
| 426 | * |
| 427 | * @param string $option Name of the added option. |
| 428 | * @param mixed $value Value of the option. |
| 429 | */ |
| 430 | do_action( 'added_option', $option, $value ); |
| 431 | return true; |
| 432 | } |
| 433 | |
| 434 | /** |
| 435 | * Removes option by name. Prevents removal of protected WordPress options. |
| 436 | * |
| 437 | * @since 1.2.0 |
| 438 | * |
| 439 | * @param string $option Name of option to remove. Expected to not be SQL-escaped. |