Fixed memory leak

Refactored GC (incomplete)

Fixed support for references

Refactored EG(active_symbol_table) to be zend_array* instead of HashTable*

Fixed COUNT_RECURSIVE reference handling

Fixed reference support

Fixed support for references

Fixed support for references

Fixed passing arguments by reference from internal functions

Fixed wrong addref usage in extract

Fixed array_nultisort() to support IS_REFERENCE

Reverted "efree(args);" removed by mistake

Fixed refcounted handling

Fixed refcounted

Merge branch 'refactoring2' of github.com:zendtech/php into refactoring2

Conflicts:
ext/standard/array.c

Fixed refcounted

Handle interned strings as non-refcounted scalars

retval might be IS_UNDEF even the call is successed

Fixed NULL pointer def in ext/standard/tests/array/array_fill_keys_variation2.php

Remove "efree(args")

Checkout refcounted before doing addref

Arguments taken by internal functions using zend_parse_parameters() with "+" and "*" specifications must not be deallocated anymore.

Fixed array_push()

Don't add_ref in add_*_str functions

Fixed segfault in ext/standard/tests/strings/bug49785.phpt