7.2.0 beta1 发布了。PHP（PHP：Hypertext Preprocessor）是一种在电脑上执行的脚本语言，主要是用途在于处理动态网页，也包含了命令列执行接口（command line interface），或者产生图形使用者接口（GUI）程式。改进日志如下： 20 Jul 2017, PHP 7.2.0beta1 - Core: . Added new VM instuctions ISSET_ISEMPTY_CV and UNSET_CV. Previously they were implemented as ISSET_ISEMPTY_VAR and UNSET_VAR variants with ZEND_QUICK_SET flag. (Nikita, Dmitry) . Fixed bug #74603 (PHP INI Parsing Stack Buffer Overflow Vulnerability). (Stas) . Fixed bug #74111 (Heap buffer overread (READ: 1) finish_nested_data from unserialize). (Nikita) . Fixed bug #74819 (wddx_deserialize() heap out-of-bound read via php_parse_date()). (Derick) . Fixed bug #49649 (unserialize() doesn't handle changes in property visibility). (pmmaga) . Fixed #74866 (extension_dir = "./ext" now use current directory for base). (Francois Laupretre) . Fixed bug #74923 (Crash when crawling through network share). (Anatol) . Fixed bug #74913 (fixed incorrect poll.h include). (petk) . Fixed bug #74906 (fixed incorrect errno.h include). (petk) - Date: . Fixed bug #74852 (property_exists returns true on unknown DateInterval property). (jhdxr) - DOM: . Implement #74837 (Implement Countable for DomNodeList and DOMNamedNodeMap). (Andreas Treichel) - EXIF: . Implemented #65187 (exif_read_data/thumbnail: add support for stream resource). (Kalle) . Deprecated the read_exif_data() alias. (Kalle) . Fixed bug #74428 (exif_read_data(): "Illegal IFD size" warning occurs with correct exif format). (bradpiccho at gmail dot com, Kalle) . Fixed bug #72819 (EXIF thumbnails not read anymore). (Kalle) . Fixed bug #62523 (php crashes with segfault when exif_read_data called). (Kalle) . Fixed bug #50660 (exif_read_data(): Illegal IFD offset (works fine with other exif readers). (skinny dot bravo at gmail dot com, Kalle) - GD: . Fixed bug #74435 (Buffer over-read into uninitialized memory). (cmb) - IMAP: . Fixed bug #72324 (imap_mailboxmsginfo() return wrong size). (ronaldpoon at udomain dot com dot hk, Kalle) - JSON: . Add JSON_INVALID_UTF8_IGNORE and JSON_INVALID_UTF8_SUBSTITUTE options for json_encode and json_decode to ignore or replace invalid UTF-8 byte sequences - it addresses request #65082. (Jakub Zelenka) - LDAP: . Fixed passing an empty array to ldap_set_option for client or server controls. - Opcache: . Added global optimisation passes based on data flow analysis using Single Static Assignment (SSA) form: Sparse Conditional Constant Propagation (SCCP), Dead Code Elimination (DCE), and removal of unused local variables (Nikita, Dmitry) - OpenSSL: . Add ssl security_level stream option to support OpenSSL security levels. (Jakub Zelenka). . Allow setting SNI cert and private key in separate files. (Jakub Zelenka) . Fixed bug #74651 (negative-size-param (-1) in memcpy in zif_openssl_seal()). (Stas) - PCRE: . Fixed bug #74873 (Minor BC break: PCRE_JIT changes output of preg_match()). (Dmitry) - Sodium: . New cryptographic extension - SQLite3: . Fixed bug #74883 (SQLite3::__construct() produces "out of memory" exception with invalid flags). (Anatol) - ZIP: . ZipArchive implements countable, added ZipArchive::count() method. (Remi) . Fix segfault in php_stream_context_get_option call. (Remi) 下载：https://downloads.php.net/~pollita/ PHP 7.2.0 beta1 发布下载地址
