Log Message:
Update php55 to 5.5.23, including security fix.

19 Mar 2015, PHP 5.5.23

- Core:
  . Fixed bug #69174 (leaks when unused inner class use traits precedence).
    (Laruence)
  . Fixed bug #69139 (Crash in gc_zval_possible_root on unserialize).
    (Laruence)
  . Fixed bug #69121 (Segfault in get_current_user when script owner is not
    in passwd with ZTS build). (dan at syneto dot net)
  . Fixed bug #65593 (Segfault when calling ob_start from output buffering
    callback). (Mike)
  . Fixed bug #69017 (Fail to push to the empty array with the constant value
    defined in class scope). (Laruence)
  . Fixed bug #68986 (pointer returned by php_stream_fopen_temporary_file
    not validated in memory.c). (nayana at ddproperty dot com)
  . Fixed bug #68166 (Exception with invalid character causes segv). (Rasmus)
  . Fixed bug #69141 (Missing arguments in reflection info for some builtin
    functions). (kostyantyn dot lysyy at oracle dot com)
  . Fixed bug #68976 (Use After Free Vulnerability in unserialize()). (Stas)
  . Fixed bug #69134 (Per Directory Values overrides PHP_INI_SYSTEM
    configuration options). (Anatol Belski)
  . Fixed bug #69207 (move_uploaded_file allows nulls in path). (Stas)

- CGI:
  . Fixed bug #69015 (php-cgi's getopt does not see $argv). (Laruence)

- CLI:
  . Fixed bug #67741 (auto_prepend_file messes up __LINE__). (Reeze Xia)

- cURL:
  . Fixed bug #69088 (PHP_MINIT_FUNCTION does not fully initialize cURL on
    Win32). (Grant Pannell)
  . Add CURLPROXY_SOCKS4A and CURLPROXY_SOCKS5_HOSTNAME constants if supported
    by libcurl. (Linus Unneback)

- Ereg:
  . Fixed bug #69248 (heap overflow vulnerability in regcomp.c). (Stas)

- FPM:
  . Fixed bug #68822 (request time is reset too early). (honghu069 at 163 dot com)

- ODBC:
  . Fixed bug #68964 (Allowed memory size exhausted with odbc_exec). (Anatol)

- Opcache:
  . Fixed bug #69125 (Array numeric string as key). (Laruence)
  . Fixed bug #69038 (switch(SOMECONSTANT) misbehaves). (Laruence)

- OpenSSL:
  . Fixed bugs #61285, #68329, #68046, #41631 (encrypted streams don't observe
    socket timeouts). (Brad Broerman)

- pgsql:
  . Fixed bug #68638 (pg_update() fails to store infinite values).
    (william dot welter at 4linux dot com dot br, Laruence)

- Readline:
  . Fixed bug #69054 (Null dereference in readline_(read|write)_history() without
    parameters). (Laruence)

- SOAP:
  . Fixed bug #69085 (SoapClient's __call() type confusion through
    unserialize()). (andrea dot palazzo at truel dot it, Laruence)

- SPL:
  . Fixed bug #69108 ("Segmentation fault" when (de)serializing
    SplObjectStorage). (Laruence)
  . Fixed bug #68557 (RecursiveDirectoryIterator::seek(0) broken after
    calling getChildren()). (Julien)

- ZIP:
  . Fixed bug #69253 (ZIP Integer Overflow leads to writing past heap
    boundary) (CVE-2015-2331). (Stas)