Merge branch 'PHP-7.0' into PHP-7.1

diff --cc NEWS
index ff41b718bde5fd4d443a0436496661dde478cabf,f1327a54f231be6e01ea11d3d6295633eb379098..a248a66f1a18ee002f0e4f2e491d7d9c4969bb04
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -7,8 -20,41 +7,12 @@@ PH
      phpize). (Yuji Uchiyama)
    . Fixed bug #72641 (phpize (on Windows) ignores PHP_PREFIX).
      (Yuji Uchiyama)
 -  . Fixed potential segfault in object storage freeing in shutdown sequence.
 -    (Bob)
    . Fixed bug #72683 (getmxrr broken). (Anatol)
  
 -- COM:
 -  . Fixed bug #72569 (DOTNET/COM array parameters broke in PHP7). (Anatol)
 -
+ - CURL:
+   . Fixed bug #71709 (curl_setopt segfault with empty CURLOPT_HTTPHEADER).
+     (Pierrick)
+ 
 -- Date:
 -  . Fixed bug #66836 (DateTime::createFromFormat 'U' with pre 1970 dates fails
 -    parsing). (derick)
 -
 -- DOM:
 -  . Fixed bug #66502 (DOM document dangling reference). (Sean Heelan, cmb)
 -
 -- Filter:
 -  . Fixed bug #71745 (FILTER_FLAG_NO_RES_RANGE does not cover whole 127.0.0.0/8
 -    range). (bugs dot php dot net at majkl578 dot cz)
 -
 -- FPM:
 -  . Fixed bug #72575 (using --allow-to-run-as-root should ignore missing user).
 -    (gooh)
 -
 -- GD:
 -  . Fixed bug #72596 (imagetypes function won't advertise WEBP support). (cmb)
 -  . Fixed bug #72604 (imagearc() ignores thickness for full arcs). (cmb)
 -  . Fixed bug #70315 (500 Server Error but page is fully rendered). (cmb)
 -  . Fixed bug #43828 (broken transparency of imagearc for truecolor in
 -    blendingmode). (cmb)
 -  . Fixed bug #66555 (Always false condition in ext/gd/libgd/gdkanji.c). (cmb)
 -  . Fixed bug #68712 (suspicious if-else statements). (cmb)
 -
  - Intl:
    . Fixed bug #72639 (Segfault when instantiating class that extends
      IntlCalendar and adds a property). (Laruence)
@@@ -21,14 -67,26 +25,15 @@@
  
  - PCRE:
    . Fixed bug #72688 (preg_match missing group names in matches). (cmb)
 -  . Upgraded to PCRE 8.39. (Anatol)
 -
 -- PDO_pgsql:
 -  . Fixed bug #70313 (PDO statement fails to throw exception). (Matteo)
 -  . Implemented FR #72633 (Postgres PDO lastInsertId() should work without
 -    specifying a sequence). (Pablo Santiago Sánchez)
  
  - Reflection:
 -  . Fixed bug #72222 (ReflectionClass::export doesn't handle array constants).
 -    (Nikita Nefedov)
 -
 -- SimpleXML:
 -  . Fixed bug #72588 (Using global var doesn't work while accessing SimpleXML
 -    element). (Laruence)
 +  . Fixed bug #72661 (ReflectionType::__toString crashes with iterable).
 +    (Laruence)
  
  - SPL:
 -  . Fixed bug #55701 (GlobIterator throws LogicException). (Valentin VĂLCIU)
    . Fixed bug #72646 (SplFileObject::getCsvControl does not return the escape
      character). (cmb)
+   . Fixed bug #72684 (AppendIterator segfault with closed generator). (Pierrick)
  
  - SQLite3:
    . Fixed bug #72668 (Spurious warning when exception is thrown in user defined