diff --git a/ext/dba/dba.stub.php b/ext/dba/dba.stub.php
index ece850f437b..1470f639108 100644
--- a/ext/dba/dba.stub.php
+++ b/ext/dba/dba.stub.php
@@ -2,63 +2,65 @@
 
 /** @generate-class-entries */
 
-#ifdef DBA_LMDB
-/** @var int */
-const DBA_LMDB_USE_SUB_DIR = 0;
-/**
- * @var int
- * @cvalue MDB_NOSUBDIR
- */
-const DBA_LMDB_NO_SUB_DIR = UNKNOWN;
-#endif
+namespace {
+    #ifdef DBA_LMDB
+    /** @var int */
+    const DBA_LMDB_USE_SUB_DIR = 0;
+    /**
+     * @var int
+     * @cvalue MDB_NOSUBDIR
+     */
+    const DBA_LMDB_NO_SUB_DIR = UNKNOWN;
+    #endif
 
-/** @return resource|false */
-function dba_popen(string $path, string $mode, ?string $handler = null, int $permission = 0o644, int $map_size = 0, ?int $flags = null) {}
+    /** @return resource|false */
+    function dba_popen(string $path, string $mode, ?string $handler = null, int $permission = 0o644, int $map_size = 0, ?int $flags = null) {}
 
-/** @return resource|false */
-function dba_open(string $path, string $mode, ?string $handler = null, int $permission = 0o644, int $map_size = 0, ?int $flags = null) {}
+    /** @return resource|false */
+    function dba_open(string $path, string $mode, ?string $handler = null, int $permission = 0o644, int $map_size = 0, ?int $flags = null) {}
 
-/** @param resource $dba */
-function dba_close($dba): void {}
+    /** @param resource $dba */
+    function dba_close($dba): void {}
 
-/** @param resource $dba */
-function dba_exists(string|array $key, $dba): bool {}
+    /** @param resource $dba */
+    function dba_exists(string|array $key, $dba): bool {}
 
-/**
- * @param resource|int $dba overloaded legacy signature has params flipped
- * @param resource|int $skip overloaded legacy signature has params flipped
- */
-function dba_fetch(string|array $key, $dba, $skip = 0): string|false {}
+    /**
+     * @param resource|int $dba overloaded legacy signature has params flipped
+     * @param resource|int $skip overloaded legacy signature has params flipped
+     */
+    function dba_fetch(string|array $key, $dba, $skip = 0): string|false {}
 
-/** @return array<int, string>|false */
-function dba_key_split(string|false|null $key): array|false {}
+    /** @return array<int, string>|false */
+    function dba_key_split(string|false|null $key): array|false {}
 
-/** @param resource $dba */
-function dba_firstkey($dba): string|false {}
+    /** @param resource $dba */
+    function dba_firstkey($dba): string|false {}
 
-/** @param resource $dba */
-function dba_nextkey($dba): string|false {}
+    /** @param resource $dba */
+    function dba_nextkey($dba): string|false {}
 
-/** @param resource $dba */
-function dba_delete(string|array $key, $dba): bool {}
+    /** @param resource $dba */
+    function dba_delete(string|array $key, $dba): bool {}
 
-/** @param resource $dba */
-function dba_insert(string|array $key, string $value, $dba): bool {}
+    /** @param resource $dba */
+    function dba_insert(string|array $key, string $value, $dba): bool {}
 
-/** @param resource $dba */
-function dba_replace(string|array $key, string $value, $dba): bool {}
+    /** @param resource $dba */
+    function dba_replace(string|array $key, string $value, $dba): bool {}
 
-/** @param resource $dba */
-function dba_optimize($dba): bool {}
+    /** @param resource $dba */
+    function dba_optimize($dba): bool {}
 
-/** @param resource $dba */
-function dba_sync($dba): bool {}
+    /** @param resource $dba */
+    function dba_sync($dba): bool {}
 
-/**
- * @return array<int|string, string>
- * @refcount 1
- */
-function dba_handlers(bool $full_info = false): array {}
+    /**
+     * @return array<int|string, string>
+     * @refcount 1
+     */
+    function dba_handlers(bool $full_info = false): array {}
 
-/** @return array<int, string> */
-function dba_list(): array {}
+    /** @return array<int, string> */
+    function dba_list(): array {}
+}
diff --git a/ext/dba/dba_arginfo.h b/ext/dba/dba_arginfo.h
index 6083dff9601..4fa36f7a3e4 100644
--- a/ext/dba/dba_arginfo.h
+++ b/ext/dba/dba_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 1a02eaf9da45edb40720620e3beef43fd19dd520 */
+ * Stub hash: 13541466ecb002ce852f3708deb420029acd0b09 */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_dba_popen, 0, 0, 2)
 	ZEND_ARG_TYPE_INFO(0, path, IS_STRING, 0)