Log Message:
lang/php71: update to 7.1.15

01 Mar 2018, PHP 7.1.15

- Apache2Handler:
  . Fixed bug #75882 (a simple way for segfaults in threadsafe php just with
    configuration). (Anatol)

- Date:
  . Fixed bug #75857 (Timezone gets truncated when formatted). (carusogabriel)
  . Fixed bug #75928 (Argument 2 for `DateTimeZone::listIdentifiers()` should
    accept `null`). (Pedro Lacerda)
  . Fixed bug #68406 (calling var_dump on a DateTimeZone object modifies it).
    (jhdxr)

- PGSQL:
  . Fixed #75838 (Memory leak in pg_escape_bytea()). (ard_1 at mail dot ru)

- ODBC:
  . Fixed bug #73725 (Unable to retrieve value of varchar(max) type). (Anatol)

- LDAP:
  . Fixed bug #49876 (Fix LDAP path lookup on 64-bit distros). (dzuelke)

- libxml2:
  . Fixed bug #75871 (use pkg-config where available). (pmmaga)

- Phar:
  . Fixed bug #65414 (deal with leading slash when adding files correctly).
    (bishopb)

- SPL:
  . Fixed bug #74519 (strange behavior of AppendIterator). (jhdxr)

- Standard:
  . Fixed bug #75916 (DNS_CAA record results contain garbage). (Mike,
    Philip Sharp)
  . Fixed bug #75981 (stack-buffer-overflow while parsing HTTP response). (Stas)