public static function all()
    {
        return array_map(function (StickyContextStack $stack) {
            return $stack->all();
        }, array_filter(static::$stacks, function (StickyContextStack $stack) {
            return ! $stack->isEmpty();
        }));
    }
public static function all()
    {
        return array_map(function (StickyContextStack $stack) {
            return $stack->all();
        }, array_filter(static::$stacks, function (StickyContextStack $stack) {
            return ! $stack->isEmpty();
        }));
    }
public static function all ( ) { return array_map ( function ( StickyContextStack $ stack ) { return $ stack -> all ( ) ; } , array_filter ( static :: $ stacks , function ( StickyContextStack $ stack ) { return ! $ stack -> isEmpty ( ) ; } ) ) ; }
Retrieve all data in the sticky context.

Note that all empty stacks will be excluded from the output.

@return array
Retrieve all data in the sticky context .