Variable type should be separated from control flags.

include/ph7int.h

@@ -625,11 +625,15 @@ struct ph7_value {
 		void *pOther;   /* Other values (Object, Array, Resource, Namespace, etc.) */
 	} x;
 	sxi32 iFlags;       /* Control flags (see below) */
+	sxi32 iType;        /* Variable data type */
 	ph7_vm *pVm;        /* Virtual machine that own this instance */
 	SyBlob sBlob;       /* String values */
 	sxu32 nIdx;         /* Index number of this entry in the global object allocator */
 };
-/* Allowed value types.
+/* Variable control flags */
+#define MEMOBJ_FIXEDVAL  0x1000  /* Memory value is fixed and cannot be modified */
+#define MEMOBJ_PARENTOBJ 0x2000  /* Memory value is a parent object */
+/* Allowed variable data types.
  */
 #define MEMOBJ_BOOL      0x0001  /* Memory value is a boolean */
 #define MEMOBJ_CALL      0x0002  /* Memory value is a callback */
@@ -643,9 +647,6 @@ struct ph7_value {
 #define MEMOBJ_MIXED     0x0200  /* Memory value is mixed */
 #define MEMOBJ_HASHMAP   0x0400  /* Memory value is a hashmap aka 'array' in the PHP jargon */
 #define MEMOBJ_NULL      0x0800  /* Memory value is NULL */
-/* Special purpose */
-#define MEMOBJ_FIXEDVAL  0x1000  /* Memory value is fixed and cannot be modified */
-#define MEMOBJ_PARENTOBJ 0x2000  /* Memory value is a parent object */
 /* Mask of all known types */
 #define MEMOBJ_ALL (MEMOBJ_STRING|MEMOBJ_INT|MEMOBJ_REAL|MEMOBJ_BOOL|MEMOBJ_NULL|MEMOBJ_HASHMAP|MEMOBJ_OBJ|MEMOBJ_RES|MEMOBJ_CALL|MEMOBJ_CHAR|MEMOBJ_VOID)
 /* Scalar variables