LLMS_Form_Validator::validate_field_user_login( string $posted_value )

Validate a user-login field

Description Description

Ensures that a username isn’t found in the LifterLMS username blocklist, that it meets the default WP core username criteria and that the username doesn’t already exist.

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Parameters Parameters


(string) (Required) User-submitted (dirty) value.

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Return Return

(WP_Error|boolean) Returns true for a valid submission, otherwise an error.

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Source Source

File: includes/forms/class-llms-form-validator.php

	protected function validate_field_user_login( $posted_value ) {
		if ( in_array( $posted_value, llms_get_usernames_blocklist(), true ) || ! validate_username( $posted_value ) ) {
			return new WP_Error( 'llms-form-field-invalid', sprintf( __( 'The username "%s" is invalid, please try a different username.', 'lifterlms' ), $posted_value ), $posted_value );
		} elseif ( username_exists( $posted_value ) ) {
			return new WP_Error( 'llms-form-field-not-unique', sprintf( __( 'An account with the username "%s" already exists.', 'lifterlms' ), $posted_value ), $posted_value );

		return true;

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Changelog Changelog

Version Description
5.0.0 Introduced.

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