diff --git a/ext/ffi/ffi.stub.php b/ext/ffi/ffi.stub.php
index 1662caa41b92c..0a347b2aa123b 100644
--- a/ext/ffi/ffi.stub.php
+++ b/ext/ffi/ffi.stub.php
@@ -10,7 +10,7 @@ public static function cdef(string $code = "", ?string $lib = null): FFI {}
 
     public static function load(string $filename): ?FFI {}
 
-    public static function scope(string $scope_name): ?FFI {}
+    public static function scope(string $name): ?FFI {}
 
     public static function new(FFI\CType|string $type, bool $owned = true, bool $persistent = false): ?FFI\CData {}
 
@@ -28,7 +28,7 @@ public static function type(string $type): ?FFI\CType {}
     /** @prefer-ref $ptr */
     public static function typeof(FFI\CData $ptr): ?FFI\CType {}
 
-    public static function arrayType(FFI\CType $type, array $dims): ?FFI\CType {}
+    public static function arrayType(FFI\CType $type, array $dimensions): ?FFI\CType {}
 
     /** @prefer-ref $ptr */
     public static function addr(FFI\CData $ptr): FFI\CData {}
@@ -40,11 +40,11 @@ public static function sizeof(object $ptr): ?int {}
     public static function alignof(object $ptr): ?int {}
 
     /**
-     * @param FFI\CData|string $src
-     * @prefer-ref $dst
-     * @prefer-ref $src
+     * @param FFI\CData|string $from
+     * @prefer-ref $to
+     * @prefer-ref $from
      */
-    public static function memcpy(FFI\CData $dst, $src, int $size): void {}
+    public static function memcpy(FFI\CData $to, $from, int $size): void {}
 
     /**
      * @prefer-ref $ptr1
@@ -55,7 +55,7 @@ public static function memcpy(FFI\CData $dst, $src, int $size): void {}
     public static function memcmp($ptr1, $ptr2, int $size): ?int {}
 
     /** @prefer-ref $ptr */
-    public static function memset(FFI\CData $ptr, int $ch, int $size): void {}
+    public static function memset(FFI\CData $ptr, int $value, int $size): void {}
 
     /** @prefer-ref $ptr */
     public static function string(FFI\CData $ptr, ?int $size = null): ?string {}
diff --git a/ext/ffi/ffi_arginfo.h b/ext/ffi/ffi_arginfo.h
index b5162fcce7a0d..4ff649967d094 100644
--- a/ext/ffi/ffi_arginfo.h
+++ b/ext/ffi/ffi_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 63219df3f7ccf823350d288bf2dfeba5291a3e51 */
+ * Stub hash: abd3bc186ae3f71f2b7eb1d47f3b6bab84fb2bda */
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_class_FFI_cdef, 0, 0, FFI, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, code, IS_STRING, 0, "\"\"")
@@ -11,7 +11,7 @@ ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_class_FFI_load, 0, 1, FFI, 1)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_class_FFI_scope, 0, 1, FFI, 1)
-	ZEND_ARG_TYPE_INFO(0, scope_name, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO(0, name, IS_STRING, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_class_FFI_new, 0, 1, FFI\\CData, 1)
@@ -39,7 +39,7 @@ ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_class_FFI_arrayType, 0, 2, FFI\\CType, 1)
 	ZEND_ARG_OBJ_INFO(0, type, FFI\\CType, 0)
-	ZEND_ARG_TYPE_INFO(0, dims, IS_ARRAY, 0)
+	ZEND_ARG_TYPE_INFO(0, dimensions, IS_ARRAY, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_class_FFI_addr, 0, 1, FFI\\CData, 0)
@@ -53,8 +53,8 @@ ZEND_END_ARG_INFO()
 #define arginfo_class_FFI_alignof arginfo_class_FFI_sizeof
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_FFI_memcpy, 0, 3, IS_VOID, 0)
-	ZEND_ARG_OBJ_INFO(ZEND_SEND_PREFER_REF, dst, FFI\\CData, 0)
-	ZEND_ARG_INFO(ZEND_SEND_PREFER_REF, src)
+	ZEND_ARG_OBJ_INFO(ZEND_SEND_PREFER_REF, to, FFI\\CData, 0)
+	ZEND_ARG_INFO(ZEND_SEND_PREFER_REF, from)
 	ZEND_ARG_TYPE_INFO(0, size, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
@@ -66,7 +66,7 @@ ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_class_FFI_memset, 0, 3, IS_VOID, 0)
 	ZEND_ARG_OBJ_INFO(ZEND_SEND_PREFER_REF, ptr, FFI\\CData, 0)
-	ZEND_ARG_TYPE_INFO(0, ch, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO(0, value, IS_LONG, 0)
 	ZEND_ARG_TYPE_INFO(0, size, IS_LONG, 0)
 ZEND_END_ARG_INFO()