diff --git a/Zend/Optimizer/zend_func_infos.h b/Zend/Optimizer/zend_func_infos.h
index 574a67e1d8f..dbe4c21eb55 100644
--- a/Zend/Optimizer/zend_func_infos.h
+++ b/Zend/Optimizer/zend_func_infos.h
@@ -235,7 +235,7 @@ static const func_info_t func_infos[] = {
 	F1("mb_convert_variables", MAY_BE_STRING|MAY_BE_FALSE),
 	F1("mb_encode_numericentity", MAY_BE_STRING),
 	F1("mb_decode_numericentity", MAY_BE_STRING),
-	F1("mb_get_info", MAY_BE_ARRAY|MAY_BE_ARRAY_KEY_LONG|MAY_BE_ARRAY_KEY_STRING|MAY_BE_ARRAY_OF_LONG|MAY_BE_ARRAY_OF_STRING|MAY_BE_ARRAY_OF_ARRAY|MAY_BE_STRING|MAY_BE_LONG|MAY_BE_FALSE),
+	F1("mb_get_info", MAY_BE_ARRAY|MAY_BE_ARRAY_KEY_LONG|MAY_BE_ARRAY_KEY_STRING|MAY_BE_ARRAY_OF_LONG|MAY_BE_ARRAY_OF_STRING|MAY_BE_ARRAY_OF_ARRAY|MAY_BE_STRING|MAY_BE_LONG|MAY_BE_FALSE|MAY_BE_NULL),
 #if defined(HAVE_MBREGEX)
 	F1("mb_regex_encoding", MAY_BE_STRING|MAY_BE_BOOL),
 #endif
diff --git a/ext/mbstring/mbstring.stub.php b/ext/mbstring/mbstring.stub.php
index 501128b7478..dc9fa907ce0 100644
--- a/ext/mbstring/mbstring.stub.php
+++ b/ext/mbstring/mbstring.stub.php
@@ -176,10 +176,10 @@ function mb_decode_numericentity(string $string, array $map, ?string $encoding =
 function mb_send_mail(string $to, string $subject, string $message, array|string $additional_headers = [], ?string $additional_params = null): bool {}
 
 /**
- * @return array<int|string, int|string|array>|string|int|false
+ * @return array<int|string, int|string|array>|string|int|false|null
  * @refcount 1
  */
-function mb_get_info(string $type = "all"): array|string|int|false {}
+function mb_get_info(string $type = "all"): array|string|int|false|null {}
 
 function mb_check_encoding(array|string|null $value = null, ?string $encoding = null): bool {}
 
diff --git a/ext/mbstring/mbstring_arginfo.h b/ext/mbstring/mbstring_arginfo.h
index c24571a0b3c..3c3f1bf2429 100644
--- a/ext/mbstring/mbstring_arginfo.h
+++ b/ext/mbstring/mbstring_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 4071d9df39c4ec0d544edd9ff74e5d85f8863b0d */
+ * Stub hash: 0fe7418224f3a0ab65a06bf215ebcb09ce632488 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_mb_language, 0, 0, MAY_BE_STRING|MAY_BE_BOOL)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, language, IS_STRING, 1, "null")
@@ -187,7 +187,7 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_mb_send_mail, 0, 3, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, additional_params, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_mb_get_info, 0, 0, MAY_BE_ARRAY|MAY_BE_STRING|MAY_BE_LONG|MAY_BE_FALSE)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_mb_get_info, 0, 0, MAY_BE_ARRAY|MAY_BE_STRING|MAY_BE_LONG|MAY_BE_FALSE|MAY_BE_NULL)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, type, IS_STRING, 0, "\"all\"")
 ZEND_END_ARG_INFO()
 
diff --git a/ext/mbstring/tests/mb_get_info_http_input.phpt b/ext/mbstring/tests/mb_get_info_http_input.phpt
new file mode 100644
index 00000000000..5cfac7a8336
--- /dev/null
+++ b/ext/mbstring/tests/mb_get_info_http_input.phpt
@@ -0,0 +1,10 @@
+--TEST--
+mb_get_info("http_input") can return null
+--EXTENSIONS--
+mbstring
+--FILE--
+<?php
+var_dump(mb_get_info("http_input"));
+?>
+--EXPECT--
+NULL