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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 |
|---|---|
| 443 | |
| 444 | /** |
| 445 | * Fires after an option has been added. |
| 446 | * |
| 447 | * @since 2.9.0 |
| 448 | * |
| 449 | * @param string $option Name of the added option. |
| 450 | * @param mixed $value Value of the option. |
| 451 | */ |
| 452 | do_action( 'added_option', $option, $value ); |
| 453 | return true; |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * Removes option by name. Prevents removal of protected WordPress options. |
| 458 | * |
| 459 | * @since 1.2.0 |
| 460 | * |
| 461 | * @param string $option Name of option to remove. Expected to not be SQL-escaped. |