Improvements 🔧

• Update nikic/PHP-Parser to 5.8.0 (https://github.com/phpstan/phpstan-src/commit/afc2669902670f2ce3fe5dec30e9a41d3a87b23f)
• Narrow explode() when the delimiter is a known substring (#5959), [#14651], thanks @paulbalandan!

Bugfixes 🐛

• Allow null values in native preg_replace_callback callback array type for PREG_UNMATCHED_AS_NULL (#5987), [#14904], thanks @staabm!

Performance 🏎️

• Restore process-wide statics from the main container after stub validation (#5984)
• Drop the container reference in LazyClassReflectionExtensionRegistryProvider after building the registry (#5985)
• Replace PhpClassReflectionExtension::evictPrivateSymbols() with a shared LRU over the member caches (#5986)
• Make the member cache LRU limit configurable as cache.memberCacheKeysMax (#5986)
• LRU-cap resolved local type aliases in UsefulTypeAliasResolver (#5989)
• Make the cap configurable via cache.resolvedLocalTypeAliasesCountMax (#5989)
• Raise CachedParser source-byte cap to 4 MB, add eviction floor, make it configurable (https://github.com/phpstan/phpstan-src/commit/354e9266fdb33141401f940d10ce8ffdbf0401d3)
• Give CachedParser $cachedSourceBytesMax a default value (https://github.com/phpstan/phpstan-src/commit/fa1003aaa5a0e5aaa658430fcbdaf80d238b0428)
• Flatten deep BooleanOr chains in resolveType() to avoid O(n^2) scope narrowing (#5992), [#14477], thanks @SanderMuller!
• Cache per-guard isSuperTypeOf() results in createConditionalExpressions() instead of recomputing them per target (#6001), [#14920]
• Skip constant-array guards when creating conditional expressions for subtype-absorbed targets (#6002), [#14921]
• Compute ConstantArrayType sealed-shape isSuperTypeOf() reasons lazily via IsSuperTypeOfResult closures (#6003), [#14918]
• Memoize the ExprHandler lookup by Expr class in specifyTypesInCondition() and processExprNode() (#5999), [#14919]

Function signature fixes 🤖

• Add PHP 8.5 partitioned cookie attribute to session_get_cookie_params() and the cookie option shapes (#6004), [#14922], thanks @VincentLanglet and @staabm!

Internals 🔍

• Ignore PHP versions where a snippet newly stopped parsing in issue-bot comparisons (https://github.com/phpstan/phpstan-src/commit/8d545f19ac0612fb469136767ad872151ae2aec1)