Fix some remaining class declaration issues
Handle const expr __CLASS__ in trait
Dead code
Remove one usage of implementing_class
Remove __clone test (not reason it should error)
Port use statement
Drop dead code
Port function/const use
Fixed dtrace support
Fixed support for executor override
Port constant declaration
Partial NS port (semicolon, no errors)
Port top level stmt

Problem: namespace\foo no longer works :/
Fix namespace\, maybe
Code cleanup
Merge branch 'master' into phpng

* master:
  fix nmake snap when ext name is different in target dll
  force atoll macro usage on windows
  Enable $ replacement in exif, ldap, pdo_pgsql and tidy
  See bug #67635
  NEWS
  NEWS
  improve previous, add message during configure
  Fixed bug #67635 php links to systemd libraries without using pkg-config
  Improve fix for #66608
  Fixed segfault with empty break
  New added opcodes don't need to be resloved
  Update NEWS
  Update NEWS
  Update NEWS
  Fixed bug #66827 Session raises E_NOTICE when session name variable is array
  implemented copy libs of core exts in phpize mode
  fix copy the ext dll into the prefix path in phpize mode
  fix default prefix in phpize mode
  fix file with zero size usage in phpize mode

Conflicts:
	Zend/zend_opcode.c
	Zend/zend_vm_def.h
	Zend/zend_vm_execute.h
	ext/session/session.c
Discard NS doc comments
Add NS error checks

Those can probably be implemented in a better way now...
__halt_compiler() without haling compiler
Fixed compatibility