massive update stubs for PHP 8.4 and fix for old versions

Core/Core.php

@@ -635,7 +635,8 @@ function get_class_methods(object|string $object_or_class): array {}
  * @return bool This function returns false if wrong <i>error_type</i> is
  * specified, true otherwise.
  */
-function trigger_error(string $message, int $error_level = E_USER_NOTICE): bool {}
+#[LanguageLevelTypeAware(['8.4' => 'true'], default: 'bool')]
+function trigger_error(string $message, int $error_level = E_USER_NOTICE) {}
 
 /**
  * Alias of <b>trigger_error</b>
@@ -645,7 +646,8 @@ function trigger_error(string $message, int $error_level = E_USER_NOTICE): bool
  * @return bool This function returns false if wrong <i>error_type</i> is
  * specified, true otherwise.
  */
-function user_error(string $message, int $error_level = E_USER_NOTICE): bool {}
+#[LanguageLevelTypeAware(['8.4' => 'true'], default: 'bool')]
+function user_error(string $message, int $error_level = E_USER_NOTICE) {}
 
 /**
  * Sets a user-defined error handler function

Core/Core_c.php

@@ -582,6 +582,11 @@ class DivisionByZeroError extends ArithmeticError {}
  */
 class UnhandledMatchError extends Error {}
 
+/**
+ * @since 8.4
+ */
+class RequestParseBodyException extends Exception {}
+
 /**
  * An Error Exception.
  * @link https://php.net/manual/en/class.errorexception.php
@@ -1151,3 +1156,15 @@ final class Override
 {
     public function __construct() {}
 }
+
+/**
+ * @since 8.4
+ */
+#[Attribute(Attribute::TARGET_METHOD|Attribute::TARGET_FUNCTION|Attribute::TARGET_CLASS_CONSTANT)]
+final class Deprecated
+{
+    public readonly ?string $message;
+    public readonly ?string $since;
+
+    public function __construct(?string $message = null, ?string $since = null) {}
+}

Core/Core_d.php

@@ -269,6 +269,11 @@
 /** @link https://php.net/manual/en/outcontrol.constants.php */
 define('PHP_OUTPUT_HANDLER_DISABLED', 8192);
 
+/**
+ * @since 8.4
+ */
+const PHP_SBINDIR = '/usr/local/sbin', PHP_OUTPUT_HANDLER_PROCESSED = 16384;
+
 /**
  * Specifies where the manpages were installed into.
  * @since 5.3.7