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 |
|---|---|
| 324 | * The dynamic portion of the hook name, `$option`, refers to the option name. |
| 325 | * |
| 326 | * @since 2.6.0 |
| 327 | * @since 4.4.0 The `$option` parameter was added. |
| 328 | * |
| 329 | * @param mixed $value The new, unserialized option value. |
| 330 | * @param mixed $old_value The old option value. |
| 331 | * @param string $option Option name. |
| 332 | */ |
| 333 | $value = apply_filters( "pre_update_option_{$option}", $value, $old_value, $option ); |
| 334 | |
| 335 | /** |
| 336 | * Filters an option before its value is (maybe) serialized and updated. |
| 337 | * |
| 338 | * @since 3.9.0 |
| 339 | * |
| 340 | * @param mixed $value The new, unserialized option value. |
| 341 | * @param string $option Name of the option. |
| 342 | * @param mixed $old_value The old option value. |