WordPress at Your Fingertips
function is not described

WC_Settings_API::validate_checkbox_field() public WC 1.0

Validate Checkbox Field.

If not set, return "no", otherwise return "yes".

{} It's a method of the class: WC_Settings_API{}

No Hooks.

Return

String.

Usage

$WC_Settings_API = new WC_Settings_API();
$WC_Settings_API->validate_checkbox_field( $key, $value );
$key(string) (required)
Field key.
$value(string) (required)
Posted Value.

Code of WC_Settings_API::validate_checkbox_field() WC 5.5.2

<?php
public function validate_checkbox_field( $key, $value ) {
	return ! is_null( $value ) ? 'yes' : 'no';
}