Online PHP editor | refs for OmKKb

<?php interface CommerceLicenseBillingUsageGroupNamesInterface { public static function usageGroupNames(); } class TestLicense implements CommerceLicenseBillingUsageGroupNamesInterface { public static function usageGroupNames() { return array( 'test_group' => array( 'title' => 'Test Group', ), ); } } $l = new TestLicense(); print_r($l->usageGroupNames());