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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 |
|---|---|
| 473 | |
| 474 | /** |
| 475 | * Fires after an option has been added. |
| 476 | * |
| 477 | * @since 2.9.0 |
| 478 | * |
| 479 | * @param string $option Name of the added option. |
| 480 | * @param mixed $value Value of the option. |
| 481 | */ |
| 482 | do_action( 'added_option', $option, $value ); |
| 483 | return true; |
| 484 | } |
| 485 | |
| 486 | /** |
| 487 | * Removes option by name. Prevents removal of protected WordPress options. |
| 488 | * |
| 489 | * @since 1.2.0 |
| 490 | * |
| 491 | * @global wpdb $wpdb WordPress database abstraction object. |