Merge branch 'PHP-5.6' into PHP-7.0

diff --cc ext/date/lib/parse_date.c
index 059b04cfcdf6872560e2eac0628ded7a8a7455e1,b5bc04e83e74668e5b03fb1ac1504bac703eb8f0..be2411e0554b99b8cbe62ff33b328cb1a115fd37
--- 1/ext/date/lib/parse_date.c
--- 2/ext/date/lib/parse_date.c
+++ b/ext/date/lib/parse_date.c
@@@ -1,4 -1,4 +1,4 @@@
- /* Generated by re2c 0.13.5 on Thu Aug 13 10:30:11 2015 */
 -/* Generated by re2c 0.16 on Mon Jul 11 11:31:07 2016 */
++/* Generated by re2c 0.16 on Mon Jul 11 11:31:57 2016 */
  #line 1 "ext/date/lib/parse_date.re"
  /*
   * The MIT License (MIT)