PHP 5.6.20 发布了,该版本修复了如下 Bug: CLI Server: Fixed bug #69953 (Support MKCALENDAR request method). Core: Fixed bug #71596 (Segmentation fault on ZTS with date function (setlocale)). Curl: Fixed bug #71694 (Support constant CURLM_ADDED_ALREADY). Date: Fixed bug #71635 (DatePeriod::getEndDate segfault). Fileinfo: Fixed bug #71527 (Buffer over-write in finfo_open with malformed magic file). Mbstring: Fixed bug #71906 (AddressSanitizer: negative-size-param (-1) in mbfl_strcut). ODBC: Fixed bug #47803, #69526 (Executing prepared statements is succesfull only for the first two statements). Fixed bug #71860 (Invalid memory write in phar on filename with \0 in name). PDO_DBlib: Fixed bug #54648 (PDO::MSSQL forces format of datetime fields). Phar: Fixed bug #71625 (Crash in php7.dll with bad phar filename). Fixed bug #71504 (Parsing of tar file with duplicate filenames causes memory leak). SNMP: Fixed bug #71704 (php_snmp_error() Format String Vulnerability). Standard: Fixed bug #71798 (Integer Overflow in php_raw_url_encode). PHP 5.6.20 发布下载地址