Hi Bob,
I've found a number of problems: $ sapi/cli/php -r 'class Foo {public bool $b = false;} $x = new Foo; $x->b->ops += 5; echo gettype($x->b),"\n";' object $ sapi/cli/php -r 'class Foo {public bool $b = false;} $x = new Foo; $x->b->ops++; echo gettype($x->b),"\n";' object $ sapi/cli/php -r 'class Foo {public bool $b = false;} $x = new Foo; $x->b->ops = 5; echo gettype($x->b),"\n";' object $ sapi/cli/php -r 'class Foo {public bool $b = false;} $x = new Foo; $x->b[] = 5; echo gettype($x->b),"\n";' array Thanks. Dmitry.