PHP 5.6.0 beta3 发布

PHP 5.6.0 beta3 发布，PHP 5.6 的功能在 beta1 的时候已经完成，该版本只是修复一些 bug，主要包括：

- Core:
  . Fixed bug #67169 (array_splice all elements, then []= gives wrong index).
    (Nikita)
  . Fixed bug #67198 (php://input regression). (Mike)
  . Fixed bug #67247 (spl_fixedarray_resize integer overflow). (Stas)
  . Fixed bug #67250 (iptcparse out-of-bounds read). (Stas)
  . Fixed bug #67252 (convert_uudecode out-of-bounds read). (Stas)
- Date:
  . Fixed bug #67251 (date_parse_from_format out-of-bounds read). (Stas)
  . Fixed bug #67253 (timelib_meridian_with_check out-of-bounds read). (Stas)
- GD:
  . Fixed bug #67248 (imageaffinematrixget missing check of parameters). (Stas)
- OpenSSL:
  . Fixed bug #67224 (Fall back to crypto_type from context if not specified
    explicitly in stream_socket_enable_crypto). (Chris Wright)
- PCRE:
  . Fixed bug #67238 (Ungreedy and min/max quantifier bug, applied patch
    from the upstream). (Anatol)
- mbstring
  . Fixed bug #67199 (mb_regex_encoding mismatch). (Yasuo)