intelephense

Index: package/lib/stub/SPL/SPL_c1.php
===================================================================
--- package/lib/stub/SPL/SPL_c1.php
+++ package/lib/stub/SPL/SPL_c1.php
@@ -790,8 +790,9 @@
      * </p>
      * @param int &$wouldBlock [optional] <p>
      * Set to 1 if the lock would block (EWOULDBLOCK errno condition).
      * </p>
+     * @param-out int $wouldBlock
      * @return bool true on success or false on failure.
      */
     #[TentativeType]
     public function flock(#[LanguageLevelTypeAware(['8.0' => 'int'], default: '')] $operation, &$wouldBlock = null): bool {}
@@ -905,9 +906,9 @@
     #[LanguageLevelTypeAware(['7.4' => 'int|false'], default: 'int')]
     #[TentativeType]
     public function fwrite(
         #[LanguageLevelTypeAware(['8.0' => 'string'], default: '')] $data,
-        #[LanguageLevelTypeAware(['8.0' => 'int'], default: '')] $length = 0
+        #[LanguageLevelTypeAware(['8.0' => 'int', '8.5' => 'int|null'], default: '')] $length = null
     ): int|false {}
 
     /**
      * Gets information about the file
@@ -1509,8 +1510,21 @@
      * @since 7.4
      */
     #[TentativeType]
     public function __debugInfo(): array {}
+
+    /**
+     * @return array
+     * @since 8.5
+     */
+    #[TentativeType]
+    public function __serialize(): array {}
+
+    /**
+     * @since 8.5
+     */
+    #[TentativeType]
+    public function __unserialize(array $data): void {}
 }
 
 /**
  * @template TValue
@@ -1811,8 +1825,21 @@
      * @since 7.4
      */
     #[TentativeType]
     public function __debugInfo(): array {}
+
+    /**
+     * @return array
+     * @since 8.5
+     */
+    #[TentativeType]
+    public function __serialize(): array {}
+
+    /**
+     * @since 8.5
+     */
+    #[TentativeType]
+    public function __unserialize(array $data): void {}
 }
 
 /**
  * @template TValue
@@ -2072,8 +2099,9 @@
      * </p>
      * @return void
      */
     #[TentativeType]
+    #[Deprecated(since: '8.5')]
     public function attach(
         #[LanguageLevelTypeAware(['8.0' => 'object'], default: '')] $object,
         #[LanguageLevelTypeAware(['8.0' => 'mixed'], default: '')] $info = null
     ): void {}
@@ -2086,8 +2114,9 @@
      * </p>
      * @return void
      */
     #[TentativeType]
+    #[Deprecated(since: '8.5')]
     public function detach(#[LanguageLevelTypeAware(['8.0' => 'object'], default: '')] $object): void {}
 
     /**
      * Checks if the storage contains a specific object
@@ -2097,8 +2126,9 @@
      * </p>
      * @return bool true if the object is in the storage, false otherwise.
      */
     #[TentativeType]
+    #[Deprecated(since: '8.5')]
     public function contains(#[LanguageLevelTypeAware(['8.0' => 'object'], default: '')] $object): bool {}
 
     /**
      * Adds all objects from another storage