Official changelog

Core

• Deprecated "namespace" as a class constant name. (NickSdot)
• Changed run-tests.php to run in parallel by default, using up to 10 automatically detected workers. Pass -j1 for sequential execution. (NickSdot)
• Changed run-tests.php to run test subprocesses without a shell where possible. (NickSdot)
• Fixed GH-23083 (SEGV build_trace_args in zend_exceptions.c with -d error_include_args=On). (David Carlier)
• Fixed GH-23121 (is_callable() wrongly accepts objects with no get_closure handler). (David Carlier)
• Passing a 3rd argument to define() is now deprecated. (Girgias)
• Naming a function readonly is now deprecated. (Girgias)
• Added stateless closure cache. (ilutov)

BZ2

• Passing an object for the Bzip2 {de}compression stream filter is now deprecated. Use get_object_vars() on the object instead. (Girgias)

Curl

• Improved cURL option validation errors to include the option name. (Sjoerd Langkemper)
• Raise a value error when the callback registered with CURLOPT_READFUNCTION returns an unexpected long. (Sjoerd Langkemper)
• Fix bug GH-16513 (curl: exceptions in callbacks do not abort the request). (Sjoerd Langkemper)

Date

• Update timelib to 2026.02. (Derick, timwolla)
• Added Time\Duration. (timwolla, Derick)

DOM

• Fixed bug GH-23116 (Stack overflow when normalizing a deeply nested DOMDocument). (Lazizbek Ergashev)
• Fixed bug GH-23117 (Stack overflow when normalizing a deeply nested Dom\XMLDocument). (Lazizbek Ergashev)

Exif

• Fixed exif_read_data() allocating a HEIF meta box larger than the file it came from. (iliaal)

GMP

• Added optional $definitely_prime output parameter to gmp_prevprime(). (Weilin Du)
• Added gmp_powm_sec(). (Weilin Du)

Intl

• Added static methods IntlDatePatternGenerator::getSkeleton() and IntlDatePatternGenerator::getBaseSkeleton(). (Weilin Du)
• Fixed Collator::sort(), collator_sort(), Collator::asort(), and collator_asort() to report UTF-8/UTF-16 conversion errors through the intl error handler instead of emitting a warning and continuing with an empty string. (Weilin Du)
• Fixed IntlListFormatter::__construct() leaving stale global error state after successful calls. (Weilin Du)
• Fixed IntlNumberRangeFormatter leaving stale global error state after successful createFromSkeleton() and format() calls. (Weilin Du)
• Implemented GH-20255 (Add a predefined calendar constant in IntlDateFormatter for the proleptic gregorian calendar). (David Carlier)
• Added SpoofChecker::areBidiConfusable(). (David Carlier)
• Added SpoofChecker::getBidiSkeleton(). (Weilin Du)
• Added SpoofChecker::getSkeleton(). (David Carlier)
• Fixed IntlNumberRangeFormatter::format() crash when the formatting fails. (David Carlier)

MbString

• Passing objects to mb_convert_variables() is now deprecated. (Girgias)

MySQLi

• The mysqli_get_charset() function is now deprecated. (Kamil Tekiela)

PDO

• Fixed pdo_raise_impl_error() emitting a warning under ERRMODE_SILENT. (iliaal)

PDO_ODBC

• Fixed bug GH-23016 (NULL values in long columns come back as garbage binary strings). (Calvin Buckley, iliaal)

Readline

• Fixed the interactive shell not waiting for the pager process to exit. (Weilin Du)

Reflection

• Added ReflectionAttribute::inNamespace(), ReflectionAttribute::getNamespaceName(), and ReflectionAttribute::getShortName(). (Girgias)
• Fixed bug GH-22905 (Reflection exception messages truncate on null bytes). (DanielEScherzer)
• Fixed ReflectionProperty::isLazy() and skipLazyInitialization() using the parent slot when a child class hooks an inherited property. (iliaal)
• Fixed segfault in ReflectionMethod::createFromMethodName() on an uninstantiable subclass. (iliaal)

SimpleXML

• Fixed integer element offsets that cannot resolve aliasing an existing element. (iliaal)
• SimpleXMLElement::__construct() now raises a ValueError when the $data argument contains NUL bytes. (iliaal)
• Fixed segfault when comparing uninitialized SimpleXMLElement instances. (iliaal)

SPL

• The spl_classes() function is now deprecated, use ReflectionExtension::getClassNames() instead. (Girgias)
• The spl_object_hash() function is now deprecated, use spl_object_id() instead. (Girgias)
• The following ArrayIterator methods are now deprecated: * ArrayIterator::getFlags() * ArrayIterator::setFlags() * ArrayIterator::asort() * ArrayIterator::ksort() * ArrayIterator::uasort() * ArrayIterator::uksort() * ArrayIterator::natsort() * ArrayIterator::natcasesort() * ArrayIterator::unserialize() * ArrayIterator::serialize() (Girgias)

Standard

• Added the "filter.max_filter_count" stream context option for php://filter URLs. Using more than 16 filters without configuring this option is now deprecated. (Sjoerd Langkemper)
• The metaphone() function is now deprecated, use a userland phonetic matching library instead. (Weilin Du)
• Improved performance of array_intersect(). (mehmetcansahin)
• Fixed bug GH-23006 (phpcredits() full-page HTML title says phpinfo()). (Weilin Du)
• The following functions now raise a ValueError when the $filename argument contains NUL bytes: fileperms(), fileinode(), filesize(), fileowner(), filegroup(), fileatime(), filemtime(), filectime(), filetype(), is_writable(), is_readable(), is_executable(), is_file(), is_dir(), is_link(), file_exists(), lstat(), stat(). (Girgias)
• Fixed bug GH-22818 (stream_filter_register() orphaned user_filter_map on shutdown re-registration). (David Carlier)
• Io\Poll\Context::wait() now takes a Time\Duration object as a timeout. (timwolla)
• Passing an object to array_walk{_recursive} is now deprecated. Use get_object_vars() on the object instead. (Girgias)
• The is_double() function is now deprecated, use is_float() instead. (Girgias)
• The is_long() and is_integer() functions are now deprecated, use is_int() instead. (Girgias)
• The doubleval() function is now deprecated, use floatval() instead. (Girgias)
• The strcoll() function is now deprecated, use Collator::compare() instead. (Girgias)
• The SORT_LOCALE_STRING constant for the family of sort functions is now deprecated, use one of the following functions instead: * Collator::sort() * Collator::asort() * Collator::sort() * Collator::sortWithSortKeys() (Girgias)

Streams

• Fixed file_put_contents() LOCK_EX early return leaking stream error operation depth. (iliaal)

XSL

• Fixed use-after-free when a DOMDocument subclass __clone() retains the stylesheet copy made by XSLTProcessor::importStylesheet(). (iliaal) - Zlib
• Passing an object for the zlib deflate and inflate stream filter is now deprecated. Use get_object_vars() on the object instead. (Girgias)
• Passing an object to the $option argument to deflate_init and inflate_init is now deprecated. Use get_object_vars() on the object instead. (Girgias)

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