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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 |
|---|---|
| 509 | |
| 510 | /** |
| 511 | * Fires after an option has been added. |
| 512 | * |
| 513 | * @since 2.9.0 |
| 514 | * |
| 515 | * @param string $option Name of the added option. |
| 516 | * @param mixed $value Value of the option. |
| 517 | */ |
| 518 | do_action( 'added_option', $option, $value ); |
| 519 | return true; |
| 520 | } |
| 521 | |
| 522 | /** |
| 523 | * Removes option by name. Prevents removal of protected WordPress options. |
| 524 | * |
| 525 | * @since 1.2.0 |
| 526 | * |
| 527 | * @global wpdb $wpdb WordPress database abstraction object. |