remove 3.0 from excluded versions because limitation lifted by native-tls
Improved unserialize()
Improved get_object_vars()
Improved array_keys()
Improved trim/ltrim/rtrim functions.
Now php_trim() operates on zend_string and returns zend_string (it may return the same zend_string).
share that hunk of code
Add individual autoload proxies, as well as refactor internal implementations
Merge branch 'master' into function-autoloading-7
Fix issue with lookup function returning incorrect value