Plugin API/Filter Reference/sanitize user

Description

sanitize_user is a filter applied to a user name after being cleaned up by the function sanitize_user().

function my_sanitize_user($user, $raw_user, $strict) {
    # ...
}
add_filter('sanitize_user', 'my_sanitize_user', 10, 3);

$username

(string) (required) The sanitized username.

Default: None

$raw_username

(string) (required) The original username, prior to sanitization.

Default: None

$strict

(boolean) (optional) If set, sanitize_user() limited $username to specific ASCII characters.

Default: false

Require user names be lower-cased:

add_filter('sanitize_user', 'strtolower');

This filter is applied by:

See also index of Function Reference and index of Template Tags.

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