With Ib6bc76736 in place, we have access to lessphp's custom function helpers,
which provide some nice encapsulation for interpreter internals like boolean
nodes. This patch makes embeddable() call $less->toBool() rather than construct
its own AST nodes.
Change-Id: I0a015564dff19f5ced764af182558eb351e3d816
Follows-up b67b9e1, lessphp now has a public method to add to the
list of files for compilation cache.
Change-Id: I62a6c7cdeb34ea742fa7547e3ca10e24ee484b97
Intermittent error in production from top-level lambda functions:
https://bugs.php.net/bug.php?id=52144
Change-Id: I9785a601fd5d57c9d8d84b90ee29eef61a6f2e77