Merge branch 'PHP-7.0' into PHP-7.1

diff --cc NEWS
index 4f2bd9518d78b665a18836762b4e503d35ec4899,3fe30bb30b21d9793b914894ed4701ca47180f28..085a9cfe82512b667ee969c885dc56616b127a50
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -19,57 -20,6 +19,61 @@@ PH
  - Mysqlnd:
    . Fixed bug #64526 (Add missing mysqlnd.* parameters to php.ini-*). (cmb)
  
 +- Opcache:
 +  . Fixed bug #69090 (check cached files permissions)
 +
 +- OpenSSL:
 +  . Fixed bug #73478 (openssl_pkey_new() generates wrong pub/priv keys with
 +    Diffie Hellman). (Jakub Zelenka)
 +
 +- PCRE:
 +  . Fixed bug #73483 (Segmentation fault on pcre_replace_callback). (Laruence)
 +
++- Soap:
++  . Fixed bug #73538 (SoapClient::__setSoapHeaders doesn't overwrite SOAP 
++    headers). (duncan3dc)
++
 +- SQLite3:
 +  . Update to SQLite 3.15.1. (cmb)
 +  . Fixed bug #73530 (Unsetting result set may reset other result set). (cmb)
 +
 +- Standard:
 +  . Fixed bug #73297 (HTTP stream wrapper should ignore HTTP 100 Continue).
 +    (rowan dot collins at gmail dot com)
 +  . Fixed bug #73303 (Scope not inherited by eval in assert()). (nikic)
 +
 +- XML:
 +  . Fixed bug #72135 (malformed XML causes fault) (edgarsandi)
 +
 +10 Nov 2016, PHP 7.1.0RC6
 +
 +- Core:
 +  . Fixed bug #72736 (Slow performance when fetching large dataset with mysqli
 +    / PDO). (Dmitry)
 +  . Fixed bug #72482 (Ilegal write/read access caused by gdImageAALine
 +    overflow). (cmb)
 +  . Fixed bug #72696 (imagefilltoborder stackoverflow on truecolor images).
 +    (cmb)
 +
 +- Date:
 +  . Fixed bug #73426 (createFromFormat with 'z' format char results in
 +    incorrect time). (Derick)
 +
 +- IMAP:
 +  . Fixed bug #73418 (Integer Overflow in "_php_imap_mail" leads to crash).
 +    (Anatol)
 +
 +- Interbase:
 +  . Fixed bug #73512 (Fails to find firebird headers as don't use fb_config
 +    output). (Remi)
 +
 +- JSON:
 +  . Introduced encoder struct instead of global which fixes bugs #66025 and
 +    #73254 related to pretty print indentation. (Jakub Zelenka)
 +
 +- Date:
 +  . Fixed bug #69587 (DateInterval properties and isset). (jhdxr)
 +
  - ODBC:
    . Fixed bug #73448 (odbc_errormsg returns trash, always 513 bytes).
      (Anatol)

diff --cc ext/soap/soap.c
Simple merge