PHP 7.2.0 正式发布，多项内容修复

内容简介：PHP 7.2.0 正式发布了。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...

PHP 7.2.0 正式发布了。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。

该版本主要还是修复 bug，改进日志如下：

30 Nov 2017, PHP 7.2.0

- BCMath:
  . Fixed bug #46564 (bcmod truncates fractionals). (liborm85)

- CLI:
  . Fixed bug #74849 (Process is started as interactive shell in PhpStorm).
    (Anatol)
  . Fixed bug #74979 (Interactive shell opening instead of script execution
    with -f flag). (Anatol)

- CLI server:
  . Fixed bug #60471 (Random "Invalid request (unexpected EOF)" using a router
    script). (SammyK)

- Core:
  . Added ZEND_COUNT, ZEND_GET_CLASS, ZEND_GET_CALLED_CLASS, ZEND_GET_TYPE,
    ZEND_FUNC_NUM_ARGS, ZEND_FUNC_GET_ARGS instructions, to implement
    corresponding builtin functions. (Dmitry)
  . "Countable" interface is moved from SPL to Core. (Dmitry)
  . Added ZEND_IN_ARRAY instruction, implementing optimized in_array() builtin
    function, through hash lookup in flipped array. (Dmitry)
  . Removed IS_TYPE_IMMUTABLE (it's the same as COPYABLE & !REFCOUNTED). (Dmitry)
  . Removed the sql.safe_mode directive. (Kalle)
  . Removed support for Netware. (Kalle)
  . Renamed ReflectionClass::isIterateable() to ReflectionClass::isIterable()
    (alias original name for BC). (Sara)
  . Fixed bug #54535 (WSA cleanup executes before MSHUTDOWN). (Kalle)
  . Implemented FR #69791 (Disallow mail header injections by extra headers)
    (Yasuo)
  . Implemented FR #49806 (proc_nice() for Windows). (Kalle)
  . Fix pthreads detection when cross-compiling (ffontaine)
  . Fixed memory leaks caused by exceptions thrown from destructors. (Bob,
    Dmitry).
  . Fixed bug #73215 (uniqid() should use better random source). (Yasuo)
  . Implemented FR #72768 (Add ENABLE_VIRTUAL_TERMINAL_PROCESSING flag for
    php.exe). (Michele Locati)
  . Implemented "Convert numeric keys in object/array casts" RFC, fixes
    bugs #53838, #61655, #66173, #70925, #72254, etc. (Andrea)
  . Implemented "Deprecate and Remove Bareword (Unquoted) Strings" RFC.
    (Rowan Collins)
  . Raised minimum supported Windows versions to Windows 7/Server 2008 R2.
    (Anatol)
  . Implemented minor optimization in array_keys/array_values(). (Sara)
  . Added PHP_OS_FAMILY constant to determine on which OS we are. (Jan Altensen)
  . Fixed bug #73987 (Method compatibility check looks to original
    definition and not parent). (pmmaga)
  . Fixed bug #73991 (JSON_OBJECT_AS_ARRAY not respected). (Sara)
  . Fixed bug #74053 (Corrupted class entries on shutdown when a destructor
    spawns another object). (jim at commercebyte dot com)
  . Fixed bug #73971 (Filename got limited to MAX_PATH on Win32 when scan
    directory). (Anatol)
  . Fixed bug #72359, bug #72451, bug #73706, bug #71115 and others related
    to interned strings handling in TS builds. (Anatol, Dmitry)
  . Implemented "Trailing Commas In List Syntax" RFC for group use lists only.
    (Sammy Kaye Powers)
  . Fixed bug #74269 (It's possible to override trait property with different
    loosely-equal value). (pmmaga)
  . Fixed bug #61970 (Restraining __construct() access level in subclass gives
    a fatal error). (pmmaga)
  . Fixed bug #63384 (Cannot override an abstract method with an abstract
    method). (pmmaga, wes)
  . Fixed bug #74607 (Traits enforce different inheritance rules). (pmmaga)
  . Fixed misparsing of abstract unix domain socket names. (Sara)
  . Change PHP_OS_FAMILY value from "OSX" to "Darwin". (Sebastian, Kalle)
  . Allow loading PHP/Zend extensions by name in ini files (extension=<name>).
    (francois at tekwire dot net)
  . Added object type annotation. (brzuchal)
  . Fixed bug #74815 (crash with a combination of INI entries at startup).
    (Anatol)
  . Fixed bug #74836 (isset on zero-prefixed numeric indexes in array broken).
    (Dmitry)
  . 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 #49649 (unserialize() doesn't handle changes in property
    visibility). (pmmaga)
  . Fixed #74866 (extension_dir = "./ext" now use current directory for base).
    (Francois Laupretre)
  . Implemented FR #74963 (Improved error message on fetching property of
    non-object). (Laruence)
  . Fixed Bug #75142 (buildcheck.sh check for autoconf version needs to be updated
    for v2.64). (zizzy at zizzy dot net, Remi)
  . Fixed bug #74878 (Data race in ZTS builds). (Nikita, Dmitry)
  . Fixed bug #75515 ("stream_copy_to_stream" doesn't stream anymore). (Sara)

- cURL:
  . Fixed bug #75093 (OpenSSL support not detected). (Remi)
  . Better fix for #74125 (use pkg-config instead of curl-config). (Remi)

- Date:
  . Fixed bug #55407 (Impossible to prototype DateTime::createFromFormat).
    (kelunik)
  . Implemented FR #71520 (Adding the DateTime constants to the
    DateTimeInterface interface). (Majkl578)
  . Fixed bug #75149 (redefinition of typedefs ttinfo and t1info). (Remi)
  . Fixed bug #75222 (DateInterval microseconds property always 0). (jhdxr)

- Dba:
  . Fixed bug #72885 (flatfile: dba_fetch() fails to read replaced entry).
    (Anatol)

- DOM:
  . Implement #74837 (Implement Countable for DomNodeList and DOMNamedNodeMap).
    (Andreas Treichel)

- EXIF:
  . Added support for vendor specific tags for the following formats:
    Samsung, DJI, Panasonic, Sony, Pentax, Minolta, Sigma/Foveon, AGFA,
        Kyocera, Ricoh & Epson. (Kalle)
  . Fixed bug #72682 (exif_read_data() fails to read all data for some
    images). (Kalle)
  . Fixed bug #71534 (Type confusion in exif_read_data() leading to heap
    overflow in debug mode). (hlt99 at blinkenshell dot org, Kalle)
  . Fixed bug #68547 (Exif Header component value check error).
    (sjh21a at gmail dot com, Kalle)
  . Fixed bug #66443 (Corrupt EXIF header: maximum directory nesting level
    reached for some cameras). (Kalle)
  . Fixed Redhat bug #1362571 (PHP not returning full results for
    exif_read_data function). (Kalle)
  . 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)

- Fileinfo:
  . Upgrade bundled libmagic to 5.31. (Anatol)

- FPM:
  . Configuration to limit fpm slow log trace callers. (Sannis)
  . Fixed bug #75212 (php_value acts like php_admin_value). (Remi)

- FTP:
  . Implement MLSD for structured listing of directories. (blar)
  . Added ftp_append() function. (blar)

- GD:
  . Implemented imageresolution as getter and setter (Christoph)
  . Fixed bug #74744 (gd.h: stdarg.h include missing for va_list use in
    gdErrorMethod). (rainer dot jung at kippdata dot de, cmb)
  . Fixed bug #75111 (Memory disclosure or DoS via crafted .bmp image). (cmb)

- GMP:
  . Fixed bug #70896 (gmp_fact() silently ignores non-integer input). (Sara)

- Hash:
  . Changed HashContext from resource to object. (Rouven Weßling, Sara)
  . Disallowed usage of non-cryptographic hash functions with HMAC and PBKDF2.
    (Andrey Andreev, Nikita)
  . Fixed Bug #75284 (sha3 is not supported on bigendian machine). (Remi)

- IMAP:
  . Fixed bug #72324 (imap_mailboxmsginfo() return wrong size).
    (ronaldpoon at udomain dot com dot hk, Kalle)

- Intl:
  . Fixed bug #63790 (test using Spoofchecker which may be unavailable). (Sara)
  . Fixed bug #75378 ([REGRESSION] IntlDateFormatter::parse() does not change
    $position argument). (Laruence)

- 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)
  . Fixed bug #75185 (Buffer overflow in json_decode() with
    JSON_INVALID_UTF8_IGNORE or JSON_INVALID). (Jakub Zelenka)
  . Fixed bug #68567 (JSON_PARTIAL_OUTPUT_ON_ERROR can result in JSON with null
    key). (Jakub Zelenka)

- LDAP:
  . Implemented FR #69445 (Support for LDAP EXOP operations)
  . Fixed support for LDAP_OPT_SERVER_CONTROLS and LDAP_OPT_CLIENT_CONTROLS in ldap_get_option
  . Fixed passing an empty array to ldap_set_option for client or server controls.

- Mbstring:
  . Implemented request #66024 (mb_chr() and mb_ord()). (Masakielastic, Yasuo)
  . Implemented request #65081 (mb_scrub()). (Masakielastic, Yasuo)
  . Implemented request #69086 (enhancement for mb_convert_encoding() that
    handles multibyte replacement char nicely). (Masakielastic, Yasuo)
  . Added array input support to mb_convert_encoding(). (Yasuo)
  . Added array input support to mb_check_encoding(). (Yasuo)
  . Fixed bug #69079 (enhancement for mb_substitute_character). (masakielastic)
  . Update to oniguruma version 6.3.0. (Remi)
  . Fixed bug #69267 (mb_strtolower fails on titlecase characters). (Nikita)

- Mcrypt:
  . The deprecated mcrypt extension has been moved to PECL. (leigh)

- 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)
  . Fixed incorect constant conditional jump elimination. (Dmitry)
  . Fixed bug #75230 (Invalid opcode 49/1/8 using opcache). (Laruence)
  . Fixed bug (assertion fails with extended info generated). (Laruence)
  . Fixed bug (Phi sources removel). (Laruence)
  . Fixed bug #75370 (Webserver hangs on valid PHP text). (Laruence)
  . Fixed bug #75357 (segfault loading WordPress wp-admin). (Laruence)

- OpenSSL:
  . Use TLS_ANY for default ssl:// and tls:// negotiation. (kelunik)
  . Fix leak in openssl_spki_new(). (jelle at vdwaa dot nl)
  . Added openssl_pkcs7_read() and pk7 parameter to openssl_pkcs7_verify().
    (jelle at vdwaa dot nl)
  . 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 #74903 (openssl_pkcs7_encrypt() uses different EOL than before).
    (Anatol)
  . Automatically load OpenSSL configuration file. (Jakub Zelenka)

- PCRE:
  . Added support for PCRE JIT fast path API. (dmitry)
  . Fixed bug #61780 (Inconsistent PCRE captures in match results). (cmb)
  . Fixed bug #74873 (Minor BC break: PCRE_JIT changes output of preg_match()).
    (Dmitry)
  . Fixed bug #75089 (preg_grep() is not reporting PREG_BAD_UTF8_ERROR after
    first input string). (Dmitry)
  . Fixed bug #75223 (PCRE JIT broken in 7.2). (Dmitry)
  . Fixed bug #75285 (Broken build when system libpcre don't have jit support).
    (Remi)

- phar:
  . Fixed bug #74196 (phar does not correctly handle names containing dots).
    (mhagstrand)

- PDO:
  . Add "Sent SQL" to debug dump for emulated prepares. (Adam Baratz)
  . Add parameter types for national character set strings. (Adam Baratz)

- PDO_DBlib:
  . Fixed bug #73234 (Emulated statements let value dictate parameter type).
    (Adam Baratz)
  . Fixed bug #73396 (bigint columns are returned as strings). (Adam Baratz)
  . Expose DB-Library version as \PDO::DBLIB_ATTR_VERSION attribute on \PDO
    instance. (Adam Baratz)
  . Add test coverage for bug #72969. (Jeff Farr)

- PDO_OCI:
  . Fixed Bug #74537 (Align --with-pdo-oci configure option with --with-oci8 syntax).
    (Tianfang Yang)

- PDO_Sqlite
  . Switch to sqlite3_prepare_v2() and sqlite3_close_v2() functions (rasmus)

- PHPDBG
  . Added extended_value to opcode dump output. (Sara)

- Session:
  . Fixed bug #73461 (Prohibit session save handler recursion). (Yasuo)
  . PR #2233 Removed register_globals related code and "!" can be used as $_SESSION key name. (Yasuo)
  . Improved bug #73100 fix. 'user' save handler can only be set by session_set_save_handler()
  . Fixed bug #74514 (5 session functions incorrectly warn when calling in
    read-only/getter mode). (Yasuo)
  . Fixed bug #74936 (session_cache_expire/cache_limiter/save_path() trigger a
    warning in read mode). (morozov)
  . Fixed bug #74941 (session fails to start after having headers sent).
    (morozov)

- Sodium:
  . New cryptographic extension
  . Added missing bindings for libsodium > 1.0.13. (Frank)

- SPL:
  . Fixed bug #71412 (Incorrect arginfo for ArrayIterator::__construct).
    (tysonandre775 at hotmail dot com)
  . Added spl_object_id(). (Tyson Andre)

- SQLite3:
  . Implement writing to blobs. (bohwaz at github dot com)
  . Update to Sqlite 3.20.1. (cmb)

- Standard:
  . Fixed bug #69442 (closing of fd incorrect when PTS enabled). (jaytaph)
  . Fixed bug #74300 (unserialize accepts two plus/minus signs for float number exponent part).
    (xKerman)
  . Compatibility with libargon2 versions 20161029 and 20160821.
    (charlesportwoodii at erianna dot com)
  . Fixed Bug #74737 (mysqli_get_client_info reflection info).
    (mhagstrand at gmail dot com)
  . Add support for extension name as argument to dl().
    (francois at tekwire dot net)
  . Fixed bug #74851 (uniqid() without more_entropy performs badly).
    (Emmanuel Dreyfus)
  . Fixed bug #74103 (heap-use-after-free when unserializing invalid array
    size). (Nikita)
  . Fixed bug #75054 (A Denial of Service Vulnerability was found when
    performing deserialization). (Nikita)
  . Fixed bug #75170 (mt_rand() bias on 64-bit machines). (Nikita)
  . Fixed bug #75221 (Argon2i always throws NUL at the end). (cmb)

- Streams:
  . Default ssl/single_dh_use and ssl/honor_cipher_order to true. (kelunik)

- XML:
  . Moved utf8_encode() and utf8_decode() to the Standard extension. (Andrea)

- XMLRPC:
  . Use Zend MM for allocation in bundled libxmlrpc (Joe)

- ZIP:
  . Add support for encrypted archives. (Remi)
  . Use of bundled libzip is deprecated, --with-libzip option is recommended. (Remi)
  . Fixed Bug #73803 (Reflection of ZipArchive does not show public properties). (Remi)
  . ZipArchive implements countable, added ZipArchive::count() method. (Remi)
  . Fix segfault in php_stream_context_get_option call. (Remi)
  . Fixed bug #75143 (new method setEncryptionName() seems not to exist
    in ZipArchive). (Anatol)

- zlib:
  . Expose inflate_get_status() and inflate_get_read_len() functions.
    (Matthew Trescott)

下载地址：

• http://php.net/distributions/php-7.2.0.tar.gz

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