validate_username( string $username )
Checks whether a username is valid.
Description Description
Parameters Parameters
- $username
-
(string) (Required) Username.
Return Return
(bool) Whether username given is valid
Source Source
File: wp-includes/user.php
function validate_username( $username ) { $sanitized = sanitize_user( $username, true ); $valid = ( $sanitized == $username && ! empty( $sanitized ) ); /** * Filters whether the provided username is valid or not. * * @since 2.0.1 * * @param bool $valid Whether given username is valid. * @param string $username Username to check. */ return apply_filters( 'validate_username', $valid, $username ); }
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Changelog Changelog
Version | Description |
---|---|
4.4.0 | Empty sanitized usernames are now considered invalid |
2.0.1 | Introduced. |
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