Mustache.php v3.x drops support for PHP 5.2–5.5, but is otherwise backwards compatible with v2.x.
To ease the transition, previous behavior can be preserved via configuration:
- The
strict_callablesconfig option now defaults totrue. Lambda sections should use closures or callable objects. To continue supporting array-style callables for lambda sections (e.g.[$this, 'foo']), s...