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 |
|---|---|
| 1195 | * @since 2.0.1 |
| 1196 | * @uses apply_filters() Calls 'validate_username' hook on $valid check and $username as parameters |
| 1197 | * |
| 1198 | * @param string $username Username. |
| 1199 | * @return bool Whether username given is valid |
| 1200 | */ |
| 1201 | function validate_username( $username ) { |
| 1202 | $sanitized = sanitize_user( $username, true ); |
| 1203 | $valid = ( $sanitized == $username ); |
| 1204 | return apply_filters( 'validate_username', $valid, $username ); |
| 1205 | } |
| 1206 | |
| 1207 | /** |
| 1208 | * Insert an user into the database. |
| 1209 | * |
| 1210 | * Can update a current user or insert a new user based on whether the user's ID |
| 1211 | * is present. |
| 1212 | * |
| 1213 | * Can be used to update the user's info (see below), set the user's role, and |