Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0: (62 commits)
  missed piece for renaming
  rename publicly exposed symbol to avoid name conflicts
  Ignore non-executable opcodes in line mode of phpdbg_end_oplog()
  Fix #73280: Stack Buffer Overflow in GD dynamicGetbuf
  use already exported symbol
  Revert "export symbol missing by phpdbg"
  Fix outlen for openssl function
  Syncronize with 5.6 - __toString should return ""
  Fix potential overflows in php_pcre_replace_impl
  Fixed bug #73237
  Fixed bug in zend_accel_error() and cleaned up kill_all_lockers()
  Update NEWS
  Fix phpdbg tests after lineno change
  Fix line number of implicit return in pseudo-main scope
  export symbol missing by phpdbg
  Fix accidental PHPDBG_ABI break
  Fix bug #73189 - Memcpy negative size parameter php_resolve_path
  update len in fallback cases
  Add stdin command and -s command line parameter to phpdbg
  Fix bug #73190: memcpy negative parameter _bc_new_num_ex
  ...