diff --git a/config.m4 b/config.m4
index fe52deb..cb07ab0 100644
--- a/config.m4
+++ b/config.m4
@@ -3,10 +3,15 @@ PHP_ARG_ENABLE(arma, for armadillo support,
 
 if test "$PHP_ARMA" != "no"; then
   PHP_REQUIRE_CXX()
+
   ARMA_SRC="          \
     src/php_arma.cc   \
     src/interfaces.cc \
     src/constants.cc  \
-    src/complex.cc"
+    src/complex.cc    \
+    src/subview_val.cc"
   PHP_NEW_EXTENSION(arma, $ARMA_SRC, $ext_shared, , -std=c++17)
+
+  PHP_ADD_LIBRARY(armadillo, 1, ARMA_SHARED_LIBADD)
+  PHP_SUBST(ARMA_SHARED_LIBADD)
 fi
diff --git a/src/complex.cc b/src/complex.cc
index 62b821d..60870be 100644
--- a/src/complex.cc
+++ b/src/complex.cc
@@ -9,7 +9,7 @@
 namespace php_arma
 {
     template <typename T>
-    ZEND_NAMED_FUNCTION(complex<T>::__construct)
+    PHP_ARMA_FUNCTION(complex, __construct, T)
     {
         zval *real, *imag;
         ZEND_PARSE_PARAMETERS_START(0, 2)
@@ -45,7 +45,7 @@ namespace php_arma
             object_set_property(Z_OBJ_P(current), 1, &zero_val);
         }
 
-        Z_OBJ_HT_P(current) = PHP_ARMA_HANDLERS(complex, T);
+        Z_OBJ_HT_P(current) = &handlers;
     }
 
     template <typename T>
@@ -74,9 +74,10 @@ namespace php_arma
     }
 
     template <typename T>
-    void complex<T>::ce_init(zend_class_entry *parent_ce)
+    zend_always_inline
+    void complex<T>::ce_init(const char *name, zend_class_entry *parent_ce)
     {
-        ce = class_register("CxDouble", parent_ce, me);
+        ce = class_register(name, parent_ce, me);
         property_declare(ce, "real");
         property_declare(ce, "imag");
         object_handlers_init(&handlers);
@@ -87,6 +88,6 @@ namespace php_arma
     {
         complex_ce = abstract_class_register("Complex");
 
-        complex<double>::ce_init(complex_ce);
+        complex<double>::ce_init("CxDouble", complex_ce);
     }
 }
diff --git a/src/complex.hh b/src/complex.hh
index 19e756e..36ded19 100644
--- a/src/complex.hh
+++ b/src/complex.hh
@@ -20,16 +20,14 @@ namespace php_arma
     {
         friend void complex_init();
 
-        PHP_ARMA_CE_DECLARE();
-        PHP_ARMA_HANDLERS_DECLARE();
+        PHP_ARMA_CE_HANDLRES_DECLARE();
 
     private:
         static ZEND_NAMED_FUNCTION(__construct);
 
         static void write_property(zval*, zval*, zval*, void**);
 
-        zend_always_inline
-        static void ce_init(zend_class_entry*);
+        static void ce_init(const char*, zend_class_entry*);
 
         PHP_ARMA_START_ME()
             PHP_ARMA_ME(__construct, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
diff --git a/src/constants.cc b/src/constants.cc
index 14a49f3..92e98ef 100644
--- a/src/constants.cc
+++ b/src/constants.cc
@@ -1,5 +1,5 @@
 //
-// php-armadillo/fill.cc
+// php-armadillo/constants.cc
 //
 // @Author CismonX
 //
diff --git a/src/php_arma.cc b/src/php_arma.cc
index f468eac..c0beb0c 100644
--- a/src/php_arma.cc
+++ b/src/php_arma.cc
@@ -8,6 +8,7 @@
 #include "interfaces.hh"
 #include "constants.hh"
 #include "complex.hh"
+#include "subview_val.hh"
 
 #include <ext/standard/info.h>
 
diff --git a/src/php_arma.hh b/src/php_arma.hh
index e54c25c..83b71b6 100644
--- a/src/php_arma.hh
+++ b/src/php_arma.hh
@@ -26,9 +26,6 @@ extern zend_module_entry arma_module_entry;
 
 /// Helper macros for method entry.
 
-#define Z_OBJNAME_P(zval_p)                               \
-    ZSTR_VAL(Z_OBJCE_P(zval_p)->name)
-
 #define PHP_ARMA_START_ME()                               \
     static constexpr zend_function_entry const me[] = {
 
@@ -42,12 +39,13 @@ extern zend_module_entry arma_module_entry;
 #define PHP_ARMA_METHODS(cls, ...)                        \
     cls<__VA_ARGS__>::me
 
+#define PHP_ARMA_FUNCTION(cls, func, ...)                 \
+    void ZEND_FASTCALL cls<__VA_ARGS__>::func(INTERNAL_FUNCTION_PARAMETERS)
+
 /// Helper macros for class entry and object handlers
 
-#define PHP_ARMA_CE_DECLARE()                             \
-    static inline zend_class_entry     *ce
-
-#define PHP_ARMA_HANDLERS_DECLARE()                       \
+#define PHP_ARMA_CE_HANDLRES_DECLARE()                    \
+    static inline zend_class_entry     *ce;               \
     static inline zend_object_handlers  handlers
 
 #define PHP_ARMA_CE(cls, ...)                             \
@@ -56,6 +54,9 @@ extern zend_module_entry arma_module_entry;
 #define PHP_ARMA_HANDLERS(cls, ...)                       \
     &cls<__VA_ARGS__>::handlers
 
+#define Z_OBJNAME_P(zval_p)                               \
+    ZSTR_VAL(Z_OBJCE_P(zval_p)->name)
+
 namespace php_arma
 {
     /// Helper functions for initializing class entry and object handlers.
@@ -138,21 +139,20 @@ namespace php_arma
     {
         auto obj = reinterpret_cast<T*>(ecalloc(1,
             sizeof(T) + sizeof(zend_object) + zend_object_properties_size(ce)));
-        auto handlers = init(obj);
         auto zobj = to_zend_object(obj);
+        zobj->handlers = init(obj);
         zend_object_std_init(zobj, ce);
-        zobj->handlers = handlers ? handlers : &std_object_handlers;
         return zobj;
     }
 
     zend_always_inline
-    zend_object *object_create(zend_class_entry *ce, const zend_object_handlers *handlers = &std_object_handlers)
+    zend_object *object_create(zend_class_entry *ce, const zend_object_handlers *handlers)
     {
-        auto zobj = reinterpret_cast<zend_object*>(ecalloc(1,
+        auto zobj = reinterpret_cast<zend_object *>(ecalloc(1,
             sizeof(zend_object) + zend_object_properties_size(ce)));
+        zobj->handlers = handlers;
         zend_object_std_init(zobj, ce);
         object_properties_init(zobj, ce);
-        zobj->handlers = handlers;
         return zobj;
     }
 
diff --git a/src/subview_val.cc b/src/subview_val.cc
index e69de29..14b4ef5 100644
--- a/src/subview_val.cc
+++ b/src/subview_val.cc
@@ -0,0 +1,38 @@
+//
+// php-armadillo/subview_val.cc
+//
+// @Author CismonX
+//
+
+#include "subview_val.hh"
+
+namespace php_arma
+{
+    template <typename T, bool B1, bool B2>
+    zend_always_inline
+    T subview_val<T, B1, B2>::get_val(zend_object *zobj)
+    {
+        return static_cast<T>(*to_native_object<native_t>(zobj));
+    }
+
+    template <typename T, bool B1, bool B2>
+    PHP_ARMA_FUNCTION(subview_val, val, T, B1, B2)
+    {
+        zval *current = getThis();
+
+        zval_set_scalar(return_value, get_val(Z_OBJ_P(current)));
+    }
+
+    template <typename T, bool B1, bool B2>
+    PHP_ARMA_FUNCTION(subview_val, setTo, T, B1, B2)
+    {
+
+    }
+
+    template <typename T, bool B1, bool B2>
+    zend_always_inline
+    void subview_val<T, B1, B2>::ce_init(const char *name, zend_class_entry *parent_ce)
+    {
+        
+    }
+}
diff --git a/src/subview_val.hh b/src/subview_val.hh
index e69de29..1676ab1 100644
--- a/src/subview_val.hh
+++ b/src/subview_val.hh
@@ -0,0 +1,48 @@
+//
+// php-armadillo/subview_val.hh
+//
+// @Author CismonX
+//
+
+#ifndef PHP_ARMA_SVVAL_HH
+#define PHP_ARMA_SVVAL_HH
+
+#include "php_arma.hh"
+
+#include <armadillo>
+
+namespace php_arma
+{
+    template <typename T, bool IsSparse, bool IsSubview>
+    struct subview_val
+    {
+        using sp_svval_t = std::conditional_t<IsSubview,
+            arma::SpSubview_MapMat_val<T>, arma::SpMat_MapMat_val<T>>;
+
+        using native_t = std::conditional_t<IsSparse, sp_svval_t, T>;
+
+        zend_always_inline
+        static void set_val(zend_object *zobj, native_t &&val)
+        {
+            *to_native_object<native_t>(zobj) = std::move(val);
+        }
+
+        static T get_val(zend_object*);
+
+        PHP_ARMA_CE_HANDLRES_DECLARE();
+
+    private:
+        static ZEND_NAMED_FUNCTION(val);
+        static ZEND_NAMED_FUNCTION(setTo);
+        
+        static void ce_init(const char*, zend_class_entry*);
+
+        PHP_ARMA_START_ME()
+            PHP_ARMA_ME(val, ZEND_ACC_PUBLIC)
+            PHP_ARMA_ME(setTo, ZEND_ACC_PUBLIC)
+        PHP_ARMA_END_ME();
+    };
+    
+}
+
+#endif //!PHP_ARMA_SVVAL_HH
diff --git a/stubs/MapVal.php b/stubs/MapVal.php
new file mode 100644
index 0000000..d2c86d1
--- /dev/null
+++ b/stubs/MapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+abstract class MapVal implements Internal\Scalar
+{
+
+}
diff --git a/stubs/SpMapVal.php b/stubs/SpMapVal.php
new file mode 100644
index 0000000..96a7ebc
--- /dev/null
+++ b/stubs/SpMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+abstract class SpMapVal implements Internal\Scalar
+{
+
+}
diff --git a/stubs/SpSvMapVal.php b/stubs/SpSvMapVal.php
new file mode 100644
index 0000000..50507ba
--- /dev/null
+++ b/stubs/SpSvMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+abstract class SpSvMapVal implements Internal\Scalar
+{
+
+}
diff --git a/stubs/SpSvVal.php b/stubs/SpSvVal.php
deleted file mode 100644
index 1c05581..0000000
--- a/stubs/SpSvVal.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-namespace Arma;
-
-abstract class SpSvVal implements Internal\Scalar
-{
-
-}
diff --git a/stubs/SvVal.php b/stubs/SvVal.php
deleted file mode 100644
index 5e43fcf..0000000
--- a/stubs/SvVal.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-namespace Arma;
-
-abstract class SvVal implements Internal\Scalar
-{
-
-}
diff --git a/stubs/impl/CxDMapVal.php b/stubs/impl/CxDMapVal.php
new file mode 100644
index 0000000..80fe450
--- /dev/null
+++ b/stubs/impl/CxDMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+class CxDMapVal extends MapVal
+{
+
+}
diff --git a/stubs/impl/ISvVal.php b/stubs/impl/DMapVal.php
similarity index 50%
rename from stubs/impl/ISvVal.php
rename to stubs/impl/DMapVal.php
index abae566..bd248f4 100644
--- a/stubs/impl/ISvVal.php
+++ b/stubs/impl/DMapVal.php
@@ -2,7 +2,7 @@
 
 namespace Arma;
 
-class ISvVal extends SvVal
+class DMapVal extends MapVal
 {
 
 }
diff --git a/stubs/impl/DSvVal.php b/stubs/impl/DSvVal.php
deleted file mode 100644
index 8bc4711..0000000
--- a/stubs/impl/DSvVal.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-namespace Arma;
-
-class DSvVal extends SvVal
-{
-
-}
diff --git a/stubs/impl/CxDSvVal.php b/stubs/impl/IMapVal.php
similarity index 50%
rename from stubs/impl/CxDSvVal.php
rename to stubs/impl/IMapVal.php
index 0b0f946..55ac5a5 100644
--- a/stubs/impl/CxDSvVal.php
+++ b/stubs/impl/IMapVal.php
@@ -2,7 +2,7 @@
 
 namespace Arma;
 
-class CxDSvVal extends SvVal
+class IMapVal extends MapVal
 {
 
 }
diff --git a/stubs/impl/SpCxDMapVal.php b/stubs/impl/SpCxDMapVal.php
new file mode 100644
index 0000000..6285c06
--- /dev/null
+++ b/stubs/impl/SpCxDMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+class SpCxDMapVal extends SpMapVal
+{
+
+}
diff --git a/stubs/impl/SpCxDSvVal.php b/stubs/impl/SpCxDSvVal.php
deleted file mode 100644
index 249740e..0000000
--- a/stubs/impl/SpCxDSvVal.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-namespace Arma;
-
-class SpCxDSvVal extends SpSvVal
-{
-
-}
diff --git a/stubs/impl/SpDMapVal.php b/stubs/impl/SpDMapVal.php
new file mode 100644
index 0000000..cfd56f5
--- /dev/null
+++ b/stubs/impl/SpDMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+class SpDMapVal extends SpMapVal
+{
+
+}
diff --git a/stubs/impl/SpDSvVal.php b/stubs/impl/SpDSvVal.php
deleted file mode 100644
index a5ef77d..0000000
--- a/stubs/impl/SpDSvVal.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-namespace Arma;
-
-class SpDSvVal extends SpSvVal
-{
-
-}
diff --git a/stubs/impl/SpIMapVal.php b/stubs/impl/SpIMapVal.php
new file mode 100644
index 0000000..cf37de2
--- /dev/null
+++ b/stubs/impl/SpIMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+class SpIMapVal extends SpMapVal
+{
+
+}
diff --git a/stubs/impl/SpISvVal.php b/stubs/impl/SpISvVal.php
deleted file mode 100644
index a6b9aad..0000000
--- a/stubs/impl/SpISvVal.php
+++ /dev/null
@@ -1,8 +0,0 @@
-<?php
-
-namespace Arma;
-
-class SpISvVal extends SpSvVal
-{
-
-}
diff --git a/stubs/impl/SpSvCxDMapVal.php b/stubs/impl/SpSvCxDMapVal.php
new file mode 100644
index 0000000..56a0093
--- /dev/null
+++ b/stubs/impl/SpSvCxDMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+class SpSvCxDMapVal extends SpSvMapVal
+{
+
+}
\ No newline at end of file
diff --git a/stubs/impl/SpSvDMapVal.php b/stubs/impl/SpSvDMapVal.php
new file mode 100644
index 0000000..a03af80
--- /dev/null
+++ b/stubs/impl/SpSvDMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+class SpSvDMapVal extends SpSvMapVal
+{
+
+}
\ No newline at end of file
diff --git a/stubs/impl/SpSvIMapVal.php b/stubs/impl/SpSvIMapVal.php
new file mode 100644
index 0000000..33c87f8
--- /dev/null
+++ b/stubs/impl/SpSvIMapVal.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Arma;
+
+class SpSvIMapVal extends SpSvMapVal
+{
+
+}
diff --git a/stubs/internal/DenseMatrix.php b/stubs/internal/DenseMatrix.php
index 9d0f3d8..c4cc41e 100644
--- a/stubs/internal/DenseMatrix.php
+++ b/stubs/internal/DenseMatrix.php
@@ -16,7 +16,7 @@ interface DenseMatrix extends Dense, Matrix
      *
      * @param int $i
      * @param int $j[optional]
-     * @return \Arma\SpSvVal
+     * @return \Arma\MapVal
      */
     function at($i, $j);
 
@@ -25,7 +25,7 @@ interface DenseMatrix extends Dense, Matrix
      *
      * @param int $i
      * @param int $j[optional]
-     * @return \Arma\SpSvVal
+     * @return \Arma\MapVal
      */
     function __invoke($i, $j);
 
diff --git a/stubs/internal/DenseVector.php b/stubs/internal/DenseVector.php
index 20c9300..efd8045 100644
--- a/stubs/internal/DenseVector.php
+++ b/stubs/internal/DenseVector.php
@@ -14,7 +14,7 @@ interface DenseVector extends Dense, Vector
      * {@inheritdoc}
      *
      * @param int $idx
-     * @return \Arma\SvVal
+     * @return \Arma\MapVal
      */
     function __invoke($idx);
 
@@ -22,7 +22,7 @@ interface DenseVector extends Dense, Vector
      * {@inheritdoc}
      *
      * @param int $idx
-     * @return \Arma\SvVal
+     * @return \Arma\MapVal
      */
     function at($idx);
 }
diff --git a/stubs/internal/Matrix.php b/stubs/internal/Matrix.php
index 3c5a843..e24c07a 100644
--- a/stubs/internal/Matrix.php
+++ b/stubs/internal/Matrix.php
@@ -92,7 +92,7 @@ interface Matrix
      *
      * @param int $i
      * @param int $j[optional]
-     * @return Subview
+     * @return Scalar
      */
     function __invoke($i, $j);
 
@@ -104,7 +104,7 @@ interface Matrix
      *
      * @param int $i
      * @param int $j[optional]
-     * @return Subview
+     * @return Scalar
      */
     function at($i, $j);
 
diff --git a/stubs/internal/SparseMatrix.php b/stubs/internal/SparseMatrix.php
index 4f9606e..80c6be6 100644
--- a/stubs/internal/SparseMatrix.php
+++ b/stubs/internal/SparseMatrix.php
@@ -11,24 +11,6 @@ interface SparseMatrix extends Sparse, Matrix
 {
     // Subview
 
-    /**
-     * {@inheritdoc}
-     *
-     * @param int $i
-     * @param int $j[optional]
-     * @return \Arma\SpSvVal
-     */
-    function at($i, $j);
-
-    /**
-     * {@inheritdoc}
-     *
-     * @param int $i
-     * @param int $j[optional]
-     * @return \Arma\SpSvVal
-     */
-    function __invoke($i, $j);
-
     /**
      * {@inheritdoc}
      *
diff --git a/stubs/internal/SparseNonResizableMatrix.php b/stubs/internal/SparseNonResizableMatrix.php
index 147b4f3..a989803 100644
--- a/stubs/internal/SparseNonResizableMatrix.php
+++ b/stubs/internal/SparseNonResizableMatrix.php
@@ -4,5 +4,23 @@ namespace Arma\Internal;
 
 interface SparseNonResizableMatrix extends SparseMatrix, NonResizableMatrix
 {
+    // Subview
 
+    /**
+     * {@inheritdoc}
+     *
+     * @param int $i
+     * @param int $j[optional]
+     * @return \Arma\SpSvMapVal
+     */
+    function at($i, $j);
+
+    /**
+     * {@inheritdoc}
+     *
+     * @param int $i
+     * @param int $j[optional]
+     * @return \Arma\SpSvMapVal
+     */
+    function __invoke($i, $j);
 }
diff --git a/stubs/internal/SparseResizableMatrix.php b/stubs/internal/SparseResizableMatrix.php
index 4fc1dd4..43ab59e 100644
--- a/stubs/internal/SparseResizableMatrix.php
+++ b/stubs/internal/SparseResizableMatrix.php
@@ -4,5 +4,23 @@ namespace Arma\Internal;
 
 interface SparseResizableMatrix extends SparseMatrix, ResizableMatrix
 {
+    // Subview
 
+    /**
+     * {@inheritdoc}
+     *
+     * @param int $i
+     * @param int $j[optional]
+     * @return \Arma\SpMapVal
+     */
+    function at($i, $j);
+
+    /**
+     * {@inheritdoc}
+     *
+     * @param int $i
+     * @param int $j[optional]
+     * @return \Arma\SpMapVal
+     */
+    function __invoke($i, $j);
 }
diff --git a/stubs/internal/SparseVector.php b/stubs/internal/SparseVector.php
index a4fc8e6..8bffea3 100644
--- a/stubs/internal/SparseVector.php
+++ b/stubs/internal/SparseVector.php
@@ -10,7 +10,7 @@ interface SparseVector extends Sparse, Vector
      * {@inheritdoc}
      *
      * @param int $idx
-     * @return \Arma\SpSvVal
+     * @return \Arma\SpMapVal
      */
     function __invoke($idx);
 
@@ -18,7 +18,7 @@ interface SparseVector extends Sparse, Vector
      * {@inheritdoc}
      *
      * @param int $idx
-     * @return \Arma\SpSvVal
+     * @return \Arma\SpMapVal
      */
     function at($idx);
 }
diff --git a/stubs/internal/Vector.php b/stubs/internal/Vector.php
index 2325102..10d3a74 100644
--- a/stubs/internal/Vector.php
+++ b/stubs/internal/Vector.php
@@ -36,7 +36,7 @@ interface Vector
      * Read/write access to the n-th element.
      *
      * @param int $idx
-     * @return Subview
+     * @return Scalar
      */
     function __invoke($idx);
 
@@ -46,7 +46,7 @@ interface Vector
      * Without a bounds check. Not recommended for use unless your code has been thoroughly debugged.
      *
      * @param int $idx
-     * @return Subview
+     * @return Scalar
      */
     function at($idx);