Merge branch 'PHP-5.6' into PHP-7.0

diff --cc NEWS
index 2a11f60481a2b823de2140ce3613d18326f5e41e,d3cac7228edf25027bf887b25eb3831da71a40cd..20411a64ce8b9aa669744222fcc14602d6b6f6a8
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -375,12 -267,16 +375,14 @@@ PH
      blendingmode). (cmb)
    . Fixed bug #66555 (Always false condition in ext/gd/libgd/gdkanji.c). (cmb)
    . Fixed bug #68712 (suspicious if-else statements). (cmb)
 -  . Fixed bug #70315 (500 Server Error but page is fully rendered). (cmb)
 -  . Fixed bug #72596 (imagetypes function won't advertise WEBP support). (cmb)
 -  . Fixed bug #72604 (imagearc() ignores thickness for full arcs). (cmb)
    . Fixed bug #72697 (select_colors write out-of-bounds). (Stas)
 -  . Fixed bug #72709 (imagesetstyle() causes OOB read for empty $styles). (cmb)
    . Fixed bug #72730 (imagegammacorrect allows arbitrary write access). (Stas)
+   . Fixed bug #72494 (imagecropauto out-of-bounds access). (Fernando, Pierre,
+     cmb)
  
  - Intl:
 +  . Fixed bug #72639 (Segfault when instantiating class that extends
 +    IntlCalendar and adds a property). (Laruence)
    . Partially fixed #72506 (idn_to_ascii for UTS #46 incorrect for long domain
      names). (cmb)