Merge branch 'PHP-5.6' into PHP-7.0

diff --cc NEWS
index feec0bc75cfa8fba0397e727fc5963cb3f5d0e54,04f89c409a0a41114292fadff362f68f914a49fc..f1327a54f231be6e01ea11d3d6295633eb379098
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -20,13 -10,11 +20,17 @@@ 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)
  
 -- Curl:
 -  . Fixed bug #71144 (Segmentation fault when using cURL with ZTS).
 -    (maroszek at gmx dot net)
 +- 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)
@@@ -52,18 -40,10 +56,18 @@@
    . Fixed bug #68712 (suspicious if-else statements). (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)
- -PCRE:
 +
 +- Opcache:
 +  . Fixed bug #72590 (Opcache restart with kill_all_lockers does not work).
 +    (Keyur)
 +
+ - 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)
@@@ -74,34 -52,13 +78,35 @@@
    . Fixed bug #72222 (ReflectionClass::export doesn't handle array constants).
      (Nikita Nefedov)
  
 -- Standard:
 -  . Fixed bug #72330 (CSV fields incorrectly split if escape char followed by
 -    UTF chars). (cmb)
 +- SimpleXML:
 +  . Fixed bug #72588 (Using global var doesn't work while accessing SimpleXML
 +    element). (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
 +    function). (Laruence)
 +  . Fixed bug #72571 (SQLite3::bindValue, SQLite3::bindParam crash). (Laruence)
 +  . Implemented FR #72653 (SQLite should allow opening with empty filename).
 +    (cmb)
 +
 +- Standard:
 +  . Fixed bug #72622 (array_walk + array_replace_recursive create references
 +    from nothing). (Laruence)
 +  . Fixed bug #72152 (base64_decode $strict fails to detect null byte).
 +    (Lauri Kenttä)
 +  . Fixed bug #72263 (base64_decode skips a character after padding in strict
 +    mode). (Lauri Kenttä)
 +  . Fixed bug #72264 (base64_decode $strict fails with whitespace between
 +    padding). (Lauri Kenttä)
 +  . Fixed bug #72330 (CSV fields incorrectly split if escape char followed by
 +    UTF chars). (cmb)
 +
  - Streams:
    . Fixed bug #41021 (Problems with the ftps wrapper). (vhuk)
    . Fixed bug #54431 (opendir() does not work with ftps:// wrapper). (vhuk)