diff --git a/examples/ns.cc b/examples/ns.cc
deleted file mode 100644
index 765472d1..00000000
--- a/examples/ns.cc
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <phpx.h>
-#include <phpx_func.h>
-#include <php_func_decl.h>
-
-using namespace php;
-
-Int php_test(Int a, Var b, Str c, Array d) {
-    php_var_dump(d, 10);
-    return 0;
-}
\ No newline at end of file
diff --git a/src/Php/CompilerBase.php b/src/Php/CompilerBase.php
index 312b60cf..e456eb2f 100644
--- a/src/Php/CompilerBase.php
+++ b/src/Php/CompilerBase.php
@@ -1726,16 +1726,16 @@ class CompilerBase extends \PhpAot\Core\Translator
 
     protected function convertIntExpr(string $expr): string
     {
-        if (!$this->isClosedCall($expr, 'php::to_int')) {
-            return 'php::to_int(' . $this->trimBrackets($expr) . ')';
+        if (!$this->isClosedCall($expr, 'php::toInt')) {
+            return 'php::toInt(' . $this->trimBrackets($expr) . ')';
         }
         return $expr;
     }
 
     protected function convertFloatExpr(string $expr): string
     {
-        if (!$this->isClosedCall($expr, 'php::to_float')) {
-            return 'php::to_float(' . $this->trimBrackets($expr) . ')';
+        if (!$this->isClosedCall($expr, 'php::toFloat')) {
+            return 'php::toFloat(' . $this->trimBrackets($expr) . ')';
         }
         return $expr;
     }
@@ -1748,19 +1748,19 @@ class CompilerBase extends \PhpAot\Core\Translator
 
     protected function convertStringExpr(string $expr): string
     {
-        if (!$this->isClosedCall($expr, 'php::to_string')) {
-            return 'php::to_string(' . $this->trimBrackets($expr) . ')';
+        if (!$this->isClosedCall($expr, 'php::toString')) {
+            return 'php::toString(' . $this->trimBrackets($expr) . ')';
         }
         return $expr;
     }
 
     protected function convertObjectExpr(string $expr, string $class = ''): string
     {
-        if (!$this->isClosedCall($expr, 'php::to_object')) {
+        if (!$this->isClosedCall($expr, 'php::toObject')) {
             if ($class === '') {
-                return 'php::to_object(' . $this->trimBrackets($expr) . ')';
+                return 'php::toObject(' . $this->trimBrackets($expr) . ')';
             } else {
-                return 'php::to_object(' . $this->trimBrackets($expr) . ', ' . $class . ')';
+                return 'php::toObject(' . $this->trimBrackets($expr) . ', ' . $class . ')';
             }
         }
         return $expr;
@@ -1768,16 +1768,16 @@ class CompilerBase extends \PhpAot\Core\Translator
 
     protected function convertArrayExpr(string $expr): string
     {
-        if (!$this->isClosedCall($expr, 'php::to_array')) {
-            return 'php::to_array(' . $this->trimBrackets($expr) . ')';
+        if (!$this->isClosedCall($expr, 'php::toArray')) {
+            return 'php::toArray(' . $this->trimBrackets($expr) . ')';
         }
         return $expr;
     }
 
     protected function convertBoolExpr(string $expr): string
     {
-        if (!$this->isClosedCall($expr, 'php::to_bool')) {
-            return 'php::to_bool(' . $this->trimBrackets($expr) . ')';
+        if (!$this->isClosedCall($expr, 'php::toBool')) {
+            return 'php::toBool(' . $this->trimBrackets($expr) . ')';
         }
         return $expr;
     }