Merge branch 'PHP-5.6' into PHP-7.0

diff --cc ext/date/lib/parse_date.c
index be2411e0554b99b8cbe62ff33b328cb1a115fd37,c1804498f48fcbe120e4fcbac09d8ea74868252a..1e4bf26cdaebbc0a84cdd894393330ebd78cc030
--- 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 0.16 on Mon Jul 11 11:31:57 2016 */
 -/* Generated by re2c 0.16 on Wed Jul 20 10:18:20 2016 */
++/* Generated by re2c 0.16 on Wed Jul 20 10:20:48 2016 */
  #line 1 "ext/date/lib/parse_date.re"
  /*
   * The MIT License (MIT)