validate_username filter-hook . WP 2.0.1
Filters whether the provided username is valid or not.
Usage
add_filter( 'validate_username', 'filter_function_name_3339', 10, 2 );
function filter_function_name_3339( $valid, $username ){
// filter...
return $valid;
}
- $valid(true/false)
- Whether given username is valid.
- $username(string)
- Username to check.
Where the hook is called
validate_username
wp-includes/user.php 1386
return apply_filters( 'validate_username', $valid, $username );