WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 561 | * The dynamic portion of the hook name, `$option`, refers to the option name. |
| 562 | * |
| 563 | * @since 2.0.1 |
| 564 | * @since 4.4.0 The `$option` parameter was added. |
| 565 | * |
| 566 | * @param mixed $old_value The old option value. |
| 567 | * @param mixed $value The new option value. |
| 568 | * @param string $option Option name. |
| 569 | */ |
| 570 | do_action( "update_option_{$option}", $old_value, $value, $option ); |
| 571 | |
| 572 | /** |
| 573 | * Fires after the value of an option has been successfully updated. |
| 574 | * |
| 575 | * @since 2.9.0 |
| 576 | * |
| 577 | * @param string $option Name of the updated option. |
| 578 | * @param mixed $old_value The old option value. |
| 579 | * @param mixed $value The new option value. |