hi.
I work on php to Zephir converter.
I do some tests with Yii 2.0.1 and Zephir 0.6.2a.
Here is a report of founded issues.
ERROR SUMMARY:
--------------
261 : 'static::' not implemented in Zephir
181 : Global code not implemented in Zephir, skipped
70 : References are not implemented in Zephir.
38 : Property def must be before methods
28 : 'for' not implemented in Zephir (workaround)
19 : Indirect callbacks not implemented yet
16 : HEREDOC not implemented yet
11 : Traits not implemented yet
9 : 'use' in function not implemented yet
8 : __DIR__ and __FILE__ constants not defined in Zephir
7 : Labels and goto not implemented in Zephir
2 : Eval is not implemented in Zephir.
2 : include, include_once, require_once not implemented in Zephir