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php 5.6.17 更新日志：
core: fixed bug #66909 (configure fails utf8_to_mutf7 test). fixed bug #70958 (invalid opcode while using ::class as trait method paramater default value). fixed bug #70957 (self::class can not be resolved with reflection for abstract class). fixed bug #70944 (try{ } finally{} can create infinite chains of exceptions). fixed bug #61751 (sapi build problem on aix: undefined symbol: php_register_internal_extensions). fpm: fixed bug #70755 (fpm_log.c memory leak and buffer overflow). gd: fixed bug #70976 (memory read via gdimagerotateinterpolated array index out of bounds). mysqlnd: fixed bug #68077 (load data local infile / open_basedir restriction). soap: fixed bug #70900 (soapclient systematic out of memory error). standard: fixed bug #70960 (reflectionfunction for array_unique returns wrong number of parameters). pdo_firebird: fixed bug #60052 (integer returned as a 64bit integer on x64_86). wddx: fixed bug #70661 (use after free vulnerability in wddx packet deserialization). fixed bug #70741 (session wddx packet deserialization type confusion vulnerability). xmlrpc: fixed bug #70728 (type confusion vulnerability in php_to_xmlrpc_worker()). php 5.5.31 更新日志：
fpm: fixed bug #70755 (fpm_log.c memory leak and buffer overflow). gd: fixed bug #70976 (memory read via gdimagerotateinterpolated array index out of bounds). wddx: fixed bug #70661 (use after free vulnerability in wddx packet deserialization). fixed bug #70741 (session wddx packet deserialization type confusion vulnerability). xmlrpc: fixed bug #70728 (type confusion vulnerability in php_to_xmlrpc_worker()).