06 Dec 2018, PHP 7.3.0

- Core:
. Improved PHP GC. (Dmitry, Nikita)
. Redesigned the old ext_skel program written in PHP, run:
'php ext_skel.php' for all options. This means there are no dependencies,
thus making it work on Windows out of the box. (Kalle)
. Removed support for BeOS. (Kalle)
. Add PHP_VERSION to phpinfo() . (github/MattJeevas)
. Add net_get_interfaces(). (Sara, Joe, Anatol)
. Implemented flexible heredoc and nowdoc syntax, per
RFC https://wiki.php.net/rfc/flexible_heredoc_nowdoc_syntaxes.
(Thomas Punt)
. Added support for references in list() and array destructuring, per
RFC https://wiki.php.net/rfc/list_reference_assignment.
(David Walker)
. Improved effectiveness of ZEND_SECURE_ZERO for NetBSD and systems
without native similar feature (devnexen).
. Added syslog.facility and syslog.ident INI entries for customizing syslog
logging. (Philip Prindeville)
. Fixed bug #75683 (Memory leak in zend_register_functions() in ZTS mode).
(Dmitry)
. Fixed bug #75031 (support append mode in temp/memory streams). (adsr)
. Fixed bug #74860 (Uncaught exceptions not being formatted properly when
error_log set to "syslog"). (Philip Prindeville)
. Fixed bug #75220 (Segfault when calling is_callable on parent).
(andrewnester)
. Fixed bug #69954 (broken links and unused config items in distributed ini
files). (petk)
. Fixed bug #74922 (Composed class has fatal error with duplicate, equal const
properties). (pmmaga)
. Fixed bug #63911 (identical trait methods raise errors during composition).
(pmmaga)
. Fixed bug #75677 (Clang ignores fastcall calling convention on variadic
function). (Li-Wen Hsu)
. Fixed bug #54043 (Remove inconsitency of internal exceptions and user
defined exceptions). (Nikita)
. Fixed bug #53033 (Mathematical operations convert objects to integers).
(Nikita)
. Fixed bug #73108 (Internal class cast handler uses integer instead of
float). (Nikita)
. Fixed bug #75765 (Fatal error instead of Error exception when base class is
not found). (Timur Ibragimov)
. Fixed bug #76198 (Wording: "iterable" is not a scalar type). (Levi Morrison)
. Fixed bug #76137 (config.guess/config.sub do not recognize RISC-V). (cmb)
. Fixed bug #76427 (Segfault in zend_objects_store_put). (Laruence)
. Fixed bug #76422 (ftruncate fails on files > 2GB). (Anatol)
. Fixed bug #76509 (Inherited static properties can be desynchronized from
their parent by ref). (Nikita)
. Fixed bug #76439 (Changed behaviour in unclosed HereDoc). (Nikita, tpunt)
. Fixed bug #63217 (Constant numeric strings become integers when used as
ArrayAccess offset). (Rudi Theunissen, Dmitry)
. Fixed bug #33502 (Some nullary functions don't check the number of
arguments). (cmb)
. Fixed bug #76392 (Error relocating sapi/cli/php: unsupported relocation
type 37). (Peter Kokot)
. The declaration and use of case-insensitive constants has been deprecated.
(Nikita)
. Added syslog.filter INI entry for syslog filtering. (Philip Prindeville)
. Fixed bug #76667 (Segfault with divide-assign op and __get + __set).
(Laruence)
. Fixed bug #76030 (RE2C_FLAGS rarely honoured) (Cristian Rodríguez)
. Fixed broken zend_read_static_property (Laruence)
. Fixed #76773 (Traits used on the parent are ignored for child classes).
(daverandom)
. Fixed #76767 (‘asm’ operand has impossible constraints in zend_operators.h).
(ondrej)
. Fixed bug #76752 (Crash in ZEND_COALESCE_SPEC_TMP_HANDLER - assertion in
_get_zval_ptr_tmp failed). (Laruence)
. Fixed bug #76820 (Z_COPYABLE invalid definition). (mvdwerve, cmb)
. Fixed bug #76510 (file_exists() stopped working for phar://). (cmb)
. Fixed bug #76869 (Incorrect bypassing protected method accessibilty check).
(Dmitry)
. Fixed bug #72635 (Undefined class used by class constant in constexpr
generates fatal error). (Nikita)
. Fixed bug #76947 (file_put_contents() blocks the directory of the file
(__DIR__)). (Anatol)
. Fixed bug #76979 (define() error message does not mention resources as
valid values). (Michael Moravec)
. Fixed bug #76825 (Undefined symbols ___cpuid_count). (Laruence, cmb)
. Fixed bug #77110 (undefined symbol zend_string_equal_val in C++ build).
(Remi)
. Fixed bug #77231 (Segfault when using convert.quoted-printable-encode
filter). (Stas)

- BCMath:
. Implemented request #67855 (No way to get current scale in use). (Chris
Wright, cmb)
. Fixed bug #66364 (BCMath bcmul ignores scale parameter). (cmb)
. Fixed bug #75164 (split_bc_num() is pointless). (cmb)
. Fixed bug #75169 (BCMath errors/warnings bypass PHP's error handling). (cmb)

- CLI:
. Fixed bug #44217 (Output after stdout/stderr closed cause immediate exit
with status 0). (Robert Lu)
. Fixed bug #77111 (php-win.exe corrupts unicode symbols from cli
parameters). (Anatol)

- cURL:
. Expose curl constants from curl 7.50 to 7.61. (Pierrick)
. Fixed bug #74125 (Fixed finding CURL on systems with multiarch support).
(cebe)

- Date:
. Implemented FR #74668: Add DateTime::createFromImmutable() method.
(majkl578, Rican7)
. Fixed bug #75222 (DateInterval microseconds property always 0). (jhdxr)
. Fixed bug #68406 (calling var_dump on a DateTimeZone object modifies it).
(jhdxr)
. Fixed bug #76131 (mismatch arginfo for date_create). (carusogabriel)
. Updated timelib to 2018.01RC1 to address several bugs: (Derick)
. Fixed bug #75577 (DateTime::createFromFormat does not accept 'v' format
specifier). (Derick)
. Fixed bug #75642 (Wrap around behaviour for microseconds is not working).
(Derick)
. Fixed bug #77097 (DateTime::diff gives wrong diff when the actual diff is
less than 1 second). (Derick)

- DBA:
. Fixed bug #75264 (compiler warnings emitted). (petk)

- DOM:
. Fixed bug #76285 (DOMDocument::formatOutput attribute sometimes ignored).
(Andrew Nester, Laruence, Anatol)

- Fileinfo:
. Fixed bug #77095 (slowness regression in 7.2/7.3 (compared to 7.1)).
(Anatol)

- Filter:
. Added the 'add_slashes' sanitization mode (FILTER_SANITIZE_ADD_SLASHES).
(Kalle)

- FPM:
. Added fpm_get_status function. (Till Backhaus)
. Fixed bug #62596 (getallheaders() missing with PHP-FPM). (Remi)
. Fixed bug #69031 (Long messages into stdout/stderr are truncated
incorrectly) - added new log related FPM configuration options:
log_limit, log_buffering and decorate_workers_output. (Jakub Zelenka)

- ftp:
. Fixed bug #77151 (ftp_close(): SSL_read on shutdown). (Remi)

- GD:
. Added support for WebP in imagecreatefromstring() (Andreas Treichel, cmb).

- GMP:
. Export internal structures and accessor helpers for GMP object. (Sara)
. Added gmp_binomial(n, k). (Nikita)
. Added gmp_lcm(a, b). (Nikita)
. Added gmp_perfect_power(a). (Nikita)
. Added gmp_kronecker(a, b). (Nikita)

- iconv:
. Fixed bug #53891 (iconv_mime_encode() fails to Q-encode UTF-8 string). (cmb)
. Fixed bug #77147 (Fixing 60494 ignored ICONV_MIME_DECODE_CONTINUE_ON_ERROR).
(cmb)

- IMAP:
. Fixed bug #77153 (imap_open allows to run arbitrary shell commands via
mailbox parameter). (Stas)
. Fixed bug #77020 (null pointer dereference in imap_mail). (cmb)

- Interbase:
. Fixed bug #75453 (Incorrect reflection for ibase_[p]connect). (villfa)
. Fixed bug #76443 (php+php_interbase.dll crash on module_shutdown). (Kalle)


- intl:
. Fixed bug #75317 (UConverter::setDestinationEncoding changes source instead
of destination). (andrewnester)
. Fixed bug #76829 (Incorrect validation of domain on idn_to_utf8()
function). (Anatol)

- JSON:
. Added JSON_THROW_ON_ERROR flag. (Andrea)

- LDAP:
. Added ldap_exop_refresh helper for EXOP REFRESH operation with dds overlay.
(Come)
. Added full support for sending and parsing ldap controls (Come)
. Fixed bug #49876 (Fix LDAP path lookup on 64-bit distros). (dzuelke)

- libxml2:
. Fixed bug #75871 (use pkg-config where available). (pmmaga)

- litespeed:
. Fixed bug #75248 (Binary directory doesn't get created when building
only litespeed SAPI). (petk)
. Fixed bug #75251 (Missing program prefix and suffix). (petk)

- MBstring:
. Updated to Oniguruma 6.9.0. (cmb)
. Fixed bug #65544 (mb title case conversion-first word in quotation isn't
capitalized). (Nikita)
. Fixed bug #71298 (MB_CASE_TITLE misbehaves with curled apostrophe/quote.
(Nikita)
. Fixed bug #73528 (Crash in zif_mb_send_mail). (Nikita)
. Fixed bug #74929 (mbstring functions version 7.1.1 are slow compared to 5.3
on Windows). (Nikita)
. Fixed bug #76319 (mb_strtolower with invalid UTF-8 causes segmentation
fault). (Nikita)
. Fixed bug #76574 (use of undeclared identifiers INT_MAX and LONG_MAX). (cmb)
. Fixed bug #76594 (Bus Error due to unaligned access in zend_ini.c
OnUpdateLong). (cmb, Nikita)
. Fixed bug #76706 (mbstring.http_output_conv_mimetypes is ignored). (cmb)
. Fixed bug #76958 (Broken UTF7-IMAP conversion). (Nikita)
. Fixed bug #77025 (mb_strpos throws Unknown encoding or conversion error).
(Nikita)
. Fixed bug #77165 (mb_check_encoding crashes when argument given an empty
array). (Nikita)

- Mysqlnd:
. Fixed bug #76386 (Prepared Statement formatter truncates fractional seconds
from date/time column). (Victor Csiky)

- ODBC:
. Removed support for ODBCRouter. (Kalle)
. Removed support for Birdstep. (Kalle)
. Fixed bug #77079 (odbc_fetch_object has incorrect type signature).
(Jon Allen)

- Opcache:
. Fixed bug #76466 (Loop variable confusion). (Dmitry, Laruence, Nikita)
. Fixed bug #76463 (var has array key type but not value type). (Laruence)
. Fixed bug #76446 (zend_variables.c:73: zend_string_destroy: Assertion
`!(zval_gc_flags((str)->gc)). (Nikita, Laruence)
. Fixed bug #76711 (OPcache enabled triggers false-positive "Illegal string
offset"). (Dmitry)
. Fixed bug #77058 (Type inference in opcache causes side effects). (Nikita)
. Fixed bug #77092 (array_diff_key() - segmentation fault). (Nikita)

- OpenSSL:
. Added openssl_pkey_derive function. (Jim Zubov)
. Add min_proto_version and max_proto_version ssl stream options as well as
related constants for possible TLS protocol values. (Jakub Zelenka)

- PCRE:
. Implemented https://wiki.php.net/rfc/pcre2-migration (Anatol, Dmitry)
. Upgrade PCRE2 to 10.32. (Anatol)
. Fixed bug #75355 (preg_quote() does not quote # control character).
(Michael Moravec)
. Fixed bug #76512 (\w no longer includes unicode characters). (cmb)
. Fixed bug #76514 (Regression in preg_match makes it fail with
PREG_JIT_STACKLIMIT_ERROR). (Anatol)
. Fixed bug #76909 (preg_match difference between 7.3 and < 7.3). (Anatol)

- PDO_DBlib:
. Implemented request #69592 (allow 0-column rowsets to be skipped
automatically). (fandrieu)
. Expose TDS version as \PDO::DBLIB_ATTR_TDS_VERSION attribute on \PDO
instance. (fandrieu)
. Treat DATETIME2 columns like DATETIME. (fandrieu)
. Fixed bug #74243 (allow locales.conf to drive datetime format). (fandrieu)

- PDO_Firebird:
. Fixed bug #74462 (PDO_Firebird returns only NULLs for results with boolean
for FIREBIRD >= 3.0). (Dorin Marcoci)

- PDO_OCI:
. Fixed bug #74631 (PDO_PCO with PHP-FPM: OCI environment initialized
before PHP-FPM sets it up). (Ingmar Runge)

- PDO SQLite
. Add support for additional open flags

- pgsql:
. Added new error constants for pg_result_error(): (Kalle)
. Requires Postgres 9.3
. PGSQL_DIAG_SCHEMA_NAME
. PGSQL_DIAG_TABLE_NAME
. PGSQL_DIAG_COLUMN_NAME
. PGSQL_DIAG_DATATYPE_NAME
. PGSQL_DIAG_CONSTRAINT_NAME
. Requires Postgres 9.6
. PGSQL_DIAG_SEVERITY_NONLOCALIZED
. Fixed bug #77047 (pg_convert has a broken regex for the 'TIME WITHOUT
TIMEZONE' data type). (Andy Gajetzki)

- phar:
. Fixed bug #74991 (include_path has a 4096 char limit in some cases).
(bwbroersma)
. Fixed bug #65414 (deal with leading slash when adding files correctly).
(bishopb)
. Fixed bug #77022 (PharData always creates new files with mode 0666). (Stas)
. Fixed bug #77143 (Heap Buffer Overflow (READ: 4) in phar_parse_pharfile).
(Stas)

- readline:
. Added completion_append_character and completion_suppress_append options
to readline_info() if linked against libreadline. (krageon)

- Session:
. Fixed bug #74941 (session fails to start after having headers sent).
(morozov)

- SimpleXML:
. Fixed bug #54973 (SimpleXML casts integers wrong). (Nikita)
. Fixed bug #76712 (Assignment of empty string creates extraneous text node).
(cmb)

- Sockets:
. Fixed bug #67619 (Validate length on socket_write). (thiagooak)

- SOAP:
. Fixed bug #75464 (Wrong reflection on SoapClient::__setSoapHeaders).
(villfa)
. Fixed bug #70469 (SoapClient generates E_ERROR even if exceptions=1 is
used). (Anton Artamonov)
. Fixed bug #50675 (SoapClient can't handle object references correctly).
(Cameron Porter)
. Fixed bug #76348 (WSDL_CACHE_MEMORY causes Segmentation fault). (cmb)
. Fixed bug #77141 (Signedness issue in SOAP when precision=-1). (cmb)

- SPL:
. Fixed bug #74977 (Appending AppendIterator leads to segfault).
(Andrew Nester)
. Fixed bug #75173 (incorrect behavior of AppendIterator::append in foreach
loop). (jhdxr)
. Fixed bug #74372 (autoloading file with syntax error uses next autoloader,
may hide parse error). (Nikita)
. Fixed bug #75878 (RecursiveTreeIterator::setPostfix has wrong signature).
(cmb)
. Fixed bug #74519 (strange behavior of AppendIterator). (jhdxr)
. Fixed bug #76131 (mismatch arginfo for splarray constructor).
(carusogabriel)

- SQLite3:
. Updated bundled libsqlite to 3.24.0. (cmb)

- Standard:
. Added is_countable() function. (Gabriel Caruso)
. Added support for the SameSite cookie directive, including an alternative
signature for setcookie(), setrawcookie() and session_set_cookie_params().
(Frederik Bosch, pmmaga)
. Remove superfluous warnings from inet_ntop()/inet_pton(). (daverandom)
. Fixed bug #75916 (DNS_CAA record results contain garbage). (Mike,
Philip Sharp)
. Fixed unserialize(), to disable creation of unsupported data structures
through manually crafted strings. (Dmitry)
. Fixed bug #75409 (accept EFAULT in addition to ENOSYS as indicator
that getrandom() is missing). (sarciszewski)
. Fixed bug #74719 (fopen() should accept NULL as context). (Alexander Holman)
. Fixed bug #69948 (path/domain are not sanitized in setcookie). (cmb)
. Fixed bug #75996 (incorrect url in header for mt_rand). (tatarbj)
. Added hrtime() function, to get high resolution time. (welting)
. Fixed bug #48016 (stdClass::__setState is not defined although var_export()
uses it). (Andrea)
. Fixed bug #76136 (stream_socket_get_name should enclose IPv6 in brackets).
(seliver)
. Fixed bug #76688 (Disallow excessive parameters after options array).
(pmmaga)
. Fixed bug #76713 (Segmentation fault caused by property corruption).
(Laruence)
. Fixed bug #76755 (setcookie does not accept "double" type for expire time).
(Laruence)
. Fixed bug #76674 (improve array_* failure messages exposing what was passed
instead of an array). (carusogabriel)
. Fixed bug #76803 (ftruncate changes file pointer). (Anatol)
. Fixed bug #76818 (Memory corruption and segfault). (Remi)
. Fixed bug #77081 (ftruncate() changes seek pointer in c mode). (cmb, Anatol)

- Testing:
. Implemented request #62055 (Make run-tests.php support --CGI-- sections).
(cmb)

- Tidy:
. Support using tidyp instead of tidy (devnexen).
. Fixed bug #74707 (Tidy has incorrect ReflectionFunction param counts for
functions taking tidy). (Gabriel Caruso)
. Fixed arginfo for tidy::__construct(). (Tyson Andre)

- Tokenizer:
. Fixed bug #76437 (token_get_all with TOKEN_PARSE flag fails to recognise
close tag). (Laruence)
. Fixed bug #75218 (Change remaining uncatchable fatal errors for parsing
into ParseError). (Nikita)
. Fixed bug #76538 (token_get_all with TOKEN_PARSE flag fails to recognise
close tag with newline). (Nikita)
. Fixed bug #76991 (Incorrect tokenization of multiple invalid flexible
heredoc strings). (Nikita)

- XML:
. Fixed bug 71592 (External entity processing never fails). (cmb)

- Zlib:
. Added zlib/level context option for compress.zlib wrapper. (Sara)