This update for php7 fixes the following issues:

Security issues fixed:

- CVE-2019-9637: Fixed improper implementation of rename function and multiple invalid memory access in EXIF extension (bsc#1128892).
- CVE-2019-9675: Fixed improper implementation of rename function and multiple invalid memory access in EXIF extension (bsc#1128886).
- CVE-2019-9638: Fixed improper implementation of rename function and multiple invalid memory access in EXIF extension ((bsc#1128889).
- CVE-2019-9639: Fixed improper implementation of rename function and multiple invalid memory access in EXIF extension (bsc#1128887).
- CVE-2019-9640: Fixed improper implementation of rename function and multiple invalid memory access in EXIF extension (bsc#1128883).
- CVE-2019-9022: Fixed a vulnerability which could allow a hostile DNS server to make PHP misuse memcpy (bsc#1126827).
- CVE-2019-9024: Fixed a vulnerability in xmlrpc_decode function which could allow to a hostile XMLRPC server
  to cause memory read outside the allocated areas (bsc#1126821).
- CVE-2019-9020: Fixed a heap out of bounds in xmlrpc_decode function (bsc#1126711).
- CVE-2018-20783: Fixed a buffer over-read in PHAR reading functions which could allow an attacker to read
  allocated and unallocated memory when parsing a phar file (bsc#1127122).
- CVE-2019-9021: Fixed a heap buffer-based buffer over-read in PHAR reading functions which could allow an
  attacker to read allocated and unallocated memory when parsing a phar file (bsc#1126713).
- CVE-2019-9023: Fixed multiple heap-based buffer over-read instances in mbstring regular expression functions (bsc#1126823).
- CVE-2019-9641: Fixed multiple invalid memory access in EXIF extension and improved insecure implementation
  of rename function (bsc#1128722).
- CVE-2018-19935: Fixed a Denial of Service in php_imap.c which could be triggered 
  via an empty string in the message argument to imap_mail (bsc#1118832).
- CVE-2019-11034: Fixed a heap-buffer overflow in php_ifd_get32si() (bsc#1132838).
- CVE-2019-11035: Fixed a heap-buffer overflow in exif_iif_add_value() (bsc#1132837).
- CVE-2019-11036: Fixed buffer over-read in exif_process_IFD_TAG function leading to information disclosure (bsc#1134322).

Other issue addressed:   

- Deleted README.default_socket_timeout which is not needed anymore (bsc#1129032).
- Enabled php7 testsuite (bsc#1119396).