Merge branch 'PHP-7.1'

* PHP-7.1: (47 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 gettimeofday proto availability
  Fix #73280: Stack Buffer Overflow in GD dynamicGetbuf
  fix test
  use already exported symbol
  Revert "export symbol missing by phpdbg"
  Merge branch 'PHP-7.0' into PHP-7.1
  Syncronize with 5.6 - __toString should return ""
  Fix potential overflows in php_pcre_replace_impl
  Fixed bug #73237
  fix another mistake
  Fixed bug in zend_accel_error() and cleaned up kill_all_lockers()
  Merge remote-tracking branch 'origin/PHP-7.0' into PHP-7.1
  Merge branch 'PHP-7.0' into PHP-7.1
  Merge branch 'PHP-7.0' into PHP-7.1
  export symbol missing by phpdbg
  Fix accidental PHPDBG_ABI break
  Fix bug #73189 - Memcpy negative size parameter php_resolve_path
  ...