Log Message:
lang/php71: update to 7.1.23

11 Oct 2018, PHP 7.1.23

- Core:
  . Fixed bug #76901 (method_exists on SPL iterator passthrough method corrupts
    memory). (Nikita)
  . Fixed bug #76846 (Segfault in shutdown function after memory limit error).
    (Nikita)

- CURL:
  . Fixed bug #76480 (Use curl_multi_wait() so that timeouts are respected).
    (Pierrick)

- iconv:
  . Fixed bug #66828 (iconv_mime_encode Q-encoding longer than it should be).
    (cmb)

- Opcache:
  . Fixed bug #76832 (ZendOPcache.MemoryBase periodically deleted by the OS).
    (Anatol)

- POSIX:
  . Fixed bug #75696 (posix_getgrnam fails to print details of group). (cmb)

- Reflection:
  . Fixed bug #74454 (Wrong exception being thrown when using ReflectionMethod).
    (cmb)

- Standard:
  . Fixed bug #73457 (Wrong error message when fopen FTP wrapped fails to open
    data connection). (Ville Hukkamäki)
  . Fixed bug #74764 (Bindto IPv6 works with file_get_contents but fails with
    stream_socket_client). (Ville Hukkamäki)
  . Fixed bug #75533 (array_reduce is slow when $carry is large array).
    (Manabu Matsui)

- Zlib:
  . Fixed bug #75273 (php_zlib_inflate_filter() may not update bytes_consumed).
    (Martin Burke, cmb)