Export symbol using string
Fixing PSR2 issue, updating version
Full copying values when returning parameters, obtain keys when using the iterator optimizer
Missing RETURN_MM in RETZVAL
Missing #endif in main.h
Using read-only parameters in method calls could be dangerous
Using read-only parameters in method calls could be dangerous (2)
Temporary null/boolean values produced by method/functions calls must be reused
Introducing silent mode when resolving left part of isset and fetch
Pure implementation of 'array' type, added casts to 'array', array indexes weren't resolved correctly
return_value must not be returned
Resolving right part of 'fetch' operator in silent mode