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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 |
|---|---|
| 1250 | |
| 1251 | /** |
| 1252 | * Fires immediately after the given user's cache is cleaned. |
| 1253 | * |
| 1254 | * @since 4.4.0 |
| 1255 | * |
| 1256 | * @param int $user_id User ID. |
| 1257 | * @param WP_User $user User object. |
| 1258 | */ |
| 1259 | do_action( 'clean_user_cache', $user->ID, $user ); |
| 1260 | } |
| 1261 | |
| 1262 | /** |
| 1263 | * Checks whether the given username exists. |
| 1264 | * |
| 1265 | * @since 2.0.0 |
| 1266 | * |
| 1267 | * @param string $username Username. |
| 1268 | * @return int|false The user's ID on success, and false on failure. |