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php8发布Alpha测试版,php8 Alpha新特性,下载php8 alpha最新版

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2020年6月25日,
php官方发布8.0.0 Alpha 1测试版,
供喜爱php的朋友进行使用测试,
php-8.0.0alpha1测试版下载地址:https://downloads.php.net/~pollita/php-8.0.0alpha1.tar.gz
但是官方还不建议在生产环境中使用,
所以想要真正用上php8,
还要等官方发布正式的稳定版。

https://downloads.php.net/~pollita/
php8 alpha版本下载

php8包括下面的新特性:

– Core:
. Removed the pdo_odbc.db2_instance_name php.ini directive. (Kalle)
. Fixed bug #77619 (Wrong reflection on MultipleIterator::__construct).
(Fabien Villepinte)
. Fixed bug #65274 (Enhance undefined class constant error with class name).
(Nikita)
. Fixed bug #49555 (Fatal error “Function must be a string” message should be
renamed). (Nikita)
. Fixed bug #70839 (Converting optional argument to variadic forbidden by LSP
checks). (Nikita)
. Fixed bug #69084 (Unclear error message when not implementing a renamed
abstract trait function). (Nikita)
. Fixed bug #62609 (Allow implementing Traversable on abstract classes).
(Nikita)
. Fixed bug #79462 (method_exists and property_exists incoherent behavior).
(cmb)
. Fixed bug #79368 (“Unexpected end of file” is not an acceptable error
message). (Alex Dowad)
. Fixed bug #36365 (scandir duplicates file name at every 65535th file).
(cmb)
. Use SSE2 instructions do locale independent strtolower. (Laruence)
. Fixed bug #79521 (Check __set_state structure). (carusogabriel)
. Fixed bug #79467 (data:// wrappers are writable). (cmb)
. Implemented FR #47074 (phpinfo() reports “On” as 1 for the some
extensions). (cmb)
. Implemented FR #72089 (require() throws fatal error instead of exception).
(Nikita)
. Fixed bug #77966 (Cannot alias a method named “namespace”). (Nikita)

– BZ2:
. Fixed bug #71263 (fread() does not report bzip2.decompress errors). (cmb)

– CURL:
. Bumped required libcurl version to 7.29.0. (cmb)

– Date:
. Fixed bug #65547 (Default value for sunrise/sunset zenith still wrong).
(cmb)
. Fixed bug #69044 (discrepancy between time and microtime). (krakjoe)

– DOM:
. Add property DOMXPath::$registerNodeNamespaces and constructor argument
that allow global flag to configure query() or evaluate() calls.

– Enchant:
. Add LIBENCHANT_VERSION macro
. Deprecate enchant_broker_set_dict_path, enchant_broker_get_dict_path
enchant_dict_add_to_personal and enchant_dict_is_in_session
. Add enchant_dict_add and enchant_dict_is_added functions
. Use libenchant-2 when available

– FPM:
. Fixed bug #64865 (Search for .user.ini files from script dir up to
CONTEXT_DOCUMENT_ROOT). (Will Bender)

– GD:
. Fixed bug #55005 (imagepolygon num_points requirement). (cmb)
. Replaced gd resources with objects. (Mark Randall)
. Made the $num_points parameter of php_imagepolygon optional. (cmb)
. Removed deprecated image2wbmp(). (cmb)
. Removed deprecated png2wbmp() and jpeg2wbmp(). (cmb)
. Added imagegetinterpolation(). (cmb)

– Iconv:
. Dropped support for iconv without proper errno setting. (cmb)

– Intl:
. Removed deprecated INTL_IDNA_VARIANT_2003. (cmb)

– JIT:
. Fixed bug #79582 (Crash seen when opcache.jit=1235 and
opcache.jit_debug=2). (Laruence)
. Fixed bug #77857 (Wrong result if executed with JIT). (Laruence)
. Fixed bug #79255 (PHP cannot be compiled with enable JIT).
(Laruence, Dmitry)

– JSON:
. The JSON extension is now an integral part of PHP and cannot be disabled
as per RFC: https://wiki.php.net/rfc/always_enable_json (tandre)

– LDAP:
. Removed deprecated ldap_sort. (mcmic)

– MBString:
. Fixed bug #76999 (mb_regex_set_options() return current options). (cmb)
. Removed the unused $is_hex parameter from mb_decode_numericentity(). (cmb)

– MySQLi:
. Fixed bug #76809 (SSL settings aren’t respected when persistent connections
are used). (fabiomsouto)

– mysqlnd:
. Fixed #60594 (mysqlnd exposes 160 lines of stats in phpinfo). (PeeHaa)

– OpCache:
. Fixed bug #78654 (Incorrectly computed opcache checksum on files with
non-ascii characters). (mhagstrand)
. Fixed bug #76535 (Opcache does not replay compile-time warnings). (Nikita)
. Fixed bug #79665 (ini_get() and opcache_get_configuration() inconsistency).
(cmb)

– OpenSSL:
. Added Cryptographic Message Syntax (CMS) support. (Eliot Lear)

– PCRE:
. Don’t ignore invalid escape sequences. (sjon)

– PGSQL:
. Bumped required libpq version to 9.1. (cmb)

– PDO:
. Changed default PDO error mode to exceptions. (AllenJB)
. Fixed bug #77849 (Disable cloning of PDO handle/connection objects).
(camporter)

– PDO_OCI:
. Added support for setting and getting the oracle OCI 18c call timeout.
(camporter)

– PDO_PGSQL:
. Bumped required libpq version to 9.1. (cmb)

– phpdbg:
. Fixed bug #76596 (phpdbg support for display_errors=stderr). (kabel)
. Fixed bug #76801 (too many open files). (alekitto)
. Fixed bug #77800 (phpdbg segfaults on listing some conditional breakpoints).
(krakjoe)
. Fixed bug #77805 (phpdbg build fails when readline is shared). (krakjoe)

– Reflection:
. Fixed bug #78697 (ReflectionClass::implementsInterface – inaccurate error
message with traits). (villfa)
. Implement ReflectionProperty::hasDefaultValue and
Reflection::getDefaultValue (beberlei)
. Fixed bug #64592 (ReflectionClass::getMethods() returns methods out of
scope). (Nikita)
. Fixed bug #77325 (ReflectionClassConstant::$class returns wrong class when
extending). (Nikita)
. Fixed bug #69180 (Reflection does not honor trait conflict resolution /
method aliasing). (Nikita)
. Fixed bug #74939 (Nested traits’ aliased methods are lowercased). (Nikita)
. Implement #79628 (Add $filter parameter for ReflectionClass::getConstants
and ReflectionClass::getReflectionConstants) (carusogabriel)

– Session:
. Fixed bug #78624 (session_gc return value for user defined session
handlers). (bshaffer)
. Fixed bug #73529 (session_decode() silently fails on wrong input). (cmb)

– SimpleXML:
. Fixed bug #75245 (Don’t set content of elements with only whitespaces).
(eriklundin)
. Fixed bug #63575 (Root elements are not properly cloned). (cmb)

– sodium:
. Fixed bug #77646 (sign_detached() strings not terminated). (Frank)

– SQLite3:
. Added SQLite3::setAuthorizer() and respective class constants. (bohwaz)

– SPL:
. Fixed bug #71236 (Second call of spl_autoload_register() does nothing if it
has no arguments). (Nikita)
. Fixed bug #65006 (spl_autoload_register fails with multiple callables using
self, same method). (Nikita)

– Standard:
. Implemented FR #78638 (__PHP_Incomplete_Class should be final). (Laruence)
. Fixed bug #77204 (getimagesize(): Read error! should mention file path).
(peter279k)
. Fixed bug #76859 (stream_get_line skips data if used with data-generating
filter). (kkopachev)
. Fixed bug #78385 (parse_url() does not include ‘query’ when question mark
is the last char). (Islam Israfilov)
. Fixed bug #75902 (str_replace should warn when misused with nested arrays).
(Nikita)
. Fixed bug #47983 (mixed LF and CRLF line endings in mail()). (cmb)
. Made quoting of cmd execution functions consistent. (cmb)

– tidy:
. Removed the unused $use_include_path parameter from tidy_repair_string().
(cmb)

– XML:
. Fixed bug #76874 (xml_parser_free() should never leak memory). (Nikita)

– XMLWriter:
. Changed functions to accept/return XMLWriter objects instead of resources.
(cmb)
. Implemented FR #79344 (xmlwriter_write_attribute_ns: $prefix should be
nullable). (cmb)

– Zip:
. Fixed bug #72374 (remove_path strips first char of filename). (tyage, Remi)
. Add ZipArchive::setMtimeName and ZipArchive::setMtimeIndex methods. (Remi)
. Add ZipArchive::setProgressCallback method (since libzip 1.3.0). (Remi)
. Add ZipArchive::setCancelCallback method (since libzip 1.6.0). (Remi)
. Add optional “flags” parameter to ZipArchive::addEmptyDir, addFile and
addFromString methods. (Remi)
. Add “flags” options to ZipArchive::addGlob and addPattern methods
keeping previous behavior having FL_OVERWRITE by default. (Remi)
. Add ZipArchive::replaceFile() method. (Remi)
. Add lastId property to ZipArchive. (Remi)
. ZipArchive::status and ZipArchive::statusSys properties and
ZipArchive::getStatusString() method stay valid after the archive
is closed. (Remi)
. Fixed bug #50678 (files extracted by ZipArchive class lost their
original modified time). (Remi)
. Implemented FR #77960 (add compression / encryption options for
ZipArchive::addGlob and ZipArchive::addPattern). (Remi)
. Add ZipArchive::EM_UNKNOWN and ZipArchive::EM_TRAD_PKWARE constants. (Remi)
. Add ZipArchive::isCompressionMethodSupported() and
ZipArchive::isEncryptionMethodSupported() method (libzip 1.7.0). (Remi)

– Zlib:
. Fixed bug #71417 (fread() does not report zlib.inflate errors). (cmb)

<<< NOTE: Insert NEWS from last stable release here prior to actual release! >>>

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