diff --git a/bin/compiler.php b/bin/compiler.php
index f8ffa9bc..a0cb4a0e 100644
--- a/bin/compiler.php
+++ b/bin/compiler.php
@@ -3,37 +3,23 @@
 require dirname(__DIR__) . '/vendor/autoload.php';
 
 use PhpAot\Php\Translator;
-use PhpAot\Php\Visitor;
-use PhpParser\Error;
-use PhpParser\NodeTraverser;
-use PhpParser\ParserFactory;
-use PhpParser\PrettyPrinter;
 
 define('DEBUG', true);
 
-$traverser = new NodeTraverser;
-$prettyPrinter = new PrettyPrinter\Standard;
-
-$traverser->addVisitor(new Visitor());
 
 if (empty($argv[1])) {
     die("php compiler.php [file]\n");
 }
 
-$file = $argv[1];
-$code = file_get_contents($file);
-
-$parser = (new ParserFactory())->createForNewestSupportedVersion();
 try {
-    $ast = $parser->parse($code);
-    $stmts = $traverser->traverse($ast);
-    $translator = new Translator($stmts);
+    $file = $argv[1];
+    $translator = new Translator();
     $translator->setIndent('    ');
-    $code = $translator->convert();
+    $code = $translator->convert($file);
     $info = pathinfo($file);
     $cppFile = './tmp/' . $info['filename'] . '.cc';
     $translator->save($code, $cppFile);
-    $translator->compileFile($cppFile);
+//    $translator->compileFile($cppFile);
 } catch (Error $error) {
     echo "Parse error: {$error->getMessage()}\n";
     return;
diff --git a/bin/encryptor.php b/bin/encryptor.php
deleted file mode 100644
index b74f72e6..00000000
--- a/bin/encryptor.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-require dirname(__DIR__) . '/vendor/autoload.php';
-
-use PhpAot\Php\Encryptor;
-use PhpParser\Error;
-use PhpParser\NodeTraverser;
-use PhpParser\ParserFactory;
-
-define('DEBUG', true);
-
-$traverser = new NodeTraverser;
-$traverser->addVisitor(new \PhpAot\Php\Visitor());
-
-if (empty($argv[1])) {
-    die("php compiler.php [file]\n");
-}
-
-$code = file_get_contents($argv[1]);
-
-$parser = (new ParserFactory())->createForNewestSupportedVersion();
-try {
-    $ast = $parser->parse($code);
-    $stmts = $traverser->traverse($ast);
-    $encryptor = new Encryptor($stmts);
-    $code = $encryptor->convert();
-    var_dump($code);
-//    $translator->save($code, './tmp/hello.cc');
-//    $translator->compileFile('./tmp/hello.cc');
-} catch (Error $error) {
-    echo "Parse error: {$error->getMessage()}\n";
-    return;
-}
-
diff --git a/examples/call.php b/examples/call.php
new file mode 100644
index 00000000..338c62cd
--- /dev/null
+++ b/examples/call.php
@@ -0,0 +1,16 @@
+<?php
+function fn1()
+{
+    echo "fn1\n";
+    fn2();
+}
+
+function fn2()
+{
+    echo __FUNCTION__ . "\n";
+}
+
+fn1();
+
+include __DIR__ . '/expr1.php';
+expr1();
\ No newline at end of file
diff --git a/examples/const_c_array.php b/examples/const_c_array.php
new file mode 100644
index 00000000..f78ec689
--- /dev/null
+++ b/examples/const_c_array.php
@@ -0,0 +1,16 @@
+<?php
+
+$bytes = random_bytes(2 * 1024 * 1024);
+
+$out = 'static const unsigned char data[] = {';
+
+for ($i = 0; $i < strlen($bytes); $i++) {
+    $out .= ord($bytes[$i]) . ', ';
+    if ($i % 32 == 0) {
+        $out .= "\n\t";
+    }
+}
+
+$out .= '};' . PHP_EOL;
+
+file_put_contents(__DIR__ . '/const_c_array.c', $out);
\ No newline at end of file
diff --git a/examples/expr1.php b/examples/expr1.php
index 9bcf4fc5..314865cd 100644
--- a/examples/expr1.php
+++ b/examples/expr1.php
@@ -6,7 +6,7 @@ function expr1()
         echo $b . "\n";
     }
 
-    $a = random_int() % 100 > 50 ? 1 : 2;
+    $a = random_int(128, 512) % 100 > 50 ? 1 : 2;
     $c = $a ** $b;
     $c--;
     --$c;
diff --git a/examples/fcall.php b/examples/fcall.php
new file mode 100644
index 00000000..ad9e5614
--- /dev/null
+++ b/examples/fcall.php
@@ -0,0 +1,18 @@
+<?php
+function foo(int $a, int $b): int {
+    return $a + $b;
+}
+
+class A {
+    function foo(int $a, int $b): int
+    {
+        return $a + $b;
+    }
+}
+
+
+//foo(1, 2);
+//max(1, 2, 3);
+
+$o = new A;
+$o->foo(1, 2);
\ No newline at end of file
diff --git a/examples/hello.php b/examples/hello.php
index ac515d8d..d6b5a1fe 100644
--- a/examples/hello.php
+++ b/examples/hello.php
@@ -27,5 +27,7 @@ function main(int $argc, array $argv): int
 
     echo "value:=" . ($a + $b);
 
+    echo "value:=", $a, $b;
+
     return $a * $b;
 }
diff --git a/examples/ns.php b/examples/ns.php
new file mode 100644
index 00000000..3cc48683
--- /dev/null
+++ b/examples/ns.php
@@ -0,0 +1,14 @@
+<?php
+namespace Foo1\Bar;
+
+class Tex {
+    const FOO = 1;
+    public $a = 1;
+
+    public function foo(int $a, int $b): int
+    {
+        $o = new \stdClass($a, $b);
+        $c = clone $o;
+        return $a + $b;
+    }
+}
diff --git a/examples/ns2.php b/examples/ns2.php
new file mode 100644
index 00000000..ceb8a4a6
--- /dev/null
+++ b/examples/ns2.php
@@ -0,0 +1,22 @@
+<?php
+
+
+namespace Foo1\Bar {
+    use \StdClass;
+    function foo(int $a, int $b): int
+    {
+        return $a + $b;
+    }
+
+    function foo2(): stdClass
+    {
+        return new stdClass();
+    }
+}
+
+namespace Foo2\Bar {
+    function foo2(int $a, int $b): int
+    {
+        return $a + $b;
+    }
+}
\ No newline at end of file
diff --git a/src/Php/Translator.php b/src/Php/Translator.php
index 1eaaf4a9..72c0591d 100644
--- a/src/Php/Translator.php
+++ b/src/Php/Translator.php
@@ -5,10 +5,14 @@ namespace PhpAot\Php;
 use PhpParser\Node;
 use PhpParser\Node\Expr\Variable;
 use PhpParser\Node\Identifier;
+use PhpAot\Php\Visitor;
+use PhpParser\Error;
+use PhpParser\NodeTraverser;
+use PhpParser\ParserFactory;
+use PhpParser\PrettyPrinter;
 
 class Translator extends \PhpAot\Core\Translator
 {
-    protected array $stmts;
     protected string $phpxDir = '~/workspace/phpx';
     protected string $lang = 'PHP';
     protected array $typeMap = [];
@@ -21,11 +25,14 @@ class Translator extends \PhpAot\Core\Translator
         'phpx.h',
     ];
 
+    protected string $namespace = '';
+    protected array $uses = [];
+    protected string $class = '';
+
     const PREFIX = 'php_';
 
-    public function __construct(array $stmts)
+    public function __construct()
     {
-        $this->stmts = $stmts;
     }
 
     public function parseHeaders(): string
@@ -42,13 +49,37 @@ class Translator extends \PhpAot\Core\Translator
         $this->phpxDir = $dir;
     }
 
-    public function convert()
+    public function convert(string $file)
     {
-        $code = '';
-        $code .= $this->parseHeaders();
-        $code .= $this->parseStmts($this->stmts);
+        $parser = (new ParserFactory())->createForNewestSupportedVersion();
+        $phpCode = file_get_contents($file);
+        $ast = $parser->parse($phpCode);
 
-        return $code;
+        $traverser = new NodeTraverser;
+        $prettyPrinter = new PrettyPrinter\Standard;
+
+        $traverser->addVisitor(new Visitor());
+        $stmts = $traverser->traverse($ast);
+
+        $cppCode = $this->parseHeaders();
+
+        foreach($stmts as $v) {
+            $type = $v->getType();
+            switch ($type) {
+                case 'Stmt_Namespace':
+                    $cppCode .= $this->parseNamespaceDef($v);
+                    break;
+                case 'Stmt_Class':
+                    $cppCode .= $this->parseClassDef($v);
+                    break;
+                case 'Stmt_Function':
+                    $cppCode .= $this->parseFunctionDef($v) . PHP_EOL;
+                    break;
+                default:
+                    debug($v);
+            }
+        }
+        return $cppCode;
     }
 
     public function save($code, $file)
@@ -72,9 +103,18 @@ class Translator extends \PhpAot\Core\Translator
         return $this->zendTypeMap[$type] ?? 'zval *';
     }
 
-    private function parseFunctionDef($v)
+    private function parseFunctionDef($v): string
     {
-        $name = $this->parseIdentifier($v->name);
+        $names[] = $this->parseIdentifier($v->name);
+        if ($this->class) {
+            $names[] = strtolower($this->class);
+        }
+        if ($this->namespace) {
+            $names[] = strtolower(str_replace('\\', '_', $this->namespace));
+        }
+
+        $name = implode('__', array_reverse($names));
+
         if ($v->returnType) {
             $returnType = $this->getZendType($this->parseIdentifier($v->returnType));
         } else {
@@ -92,6 +132,11 @@ class Translator extends \PhpAot\Core\Translator
         return $code;
     }
 
+    protected function writeLog($msg)
+    {
+        echo $msg . PHP_EOL;
+    }
+
     protected function parseIdentifier($expr)
     {
         $type = $expr->getType();
@@ -127,15 +172,13 @@ class Translator extends \PhpAot\Core\Translator
         $lines = [];
         foreach ($stmts as $v) {
             $class = $v->getType();
+            $this->writeLog('Line ' . $this->getLine($v) . ': ' . $class);
             switch ($class) {
-                case 'Stmt_Function':
-                    $lines[] = $this->parseFunctionDef($v);
-                    break;
                 case 'Stmt_Expression':
                     $lines[] = $this->parseExpr($v->expr) . ';';
                     break;
                 case 'Stmt_Echo':
-                    $lines[] = $this->parseEcho($v) . ';';
+                    $this->parseEcho($v, $lines);
                     break;
                 case 'Stmt_Return':
                     $lines[] = $this->parseReturn($v) . ';';
@@ -249,6 +292,12 @@ class Translator extends \PhpAot\Core\Translator
                 return $this->parseTernary($expr);
             case 'Expr_FuncCall':
                 return $this->parseFuncCall($expr);
+            case 'Expr_New':
+                return $this->parseNew($expr);
+            case 'Expr_Clone':
+                return $this->parseClone($expr);
+            case 'Name_FullyQualified':
+                return $expr->name;
             case 'Scalar_Int':
             case 'Scalar_Float':
             case 'Scalar_String':
@@ -273,21 +322,14 @@ class Translator extends \PhpAot\Core\Translator
         }
     }
 
-    private function parseEcho(mixed $v)
+    private function parseEcho(mixed $v, &$lines): void
     {
-        return 'php::echo(' . $this->parseExprs($v->exprs) . ')';
-    }
-
-    private function parseExprs($exprs)
-    {
-        $code = '';
-        foreach ($exprs as $expr) {
-            $code .= $this->parseExpr($expr);
+        foreach ($v->exprs as $expr) {
+            $lines[] = 'php::echo(' . $this->parseExpr($expr) . ');';
         }
-        return $code;
     }
 
-    private function parseBinaryOpPlus(mixed $expr)
+    private function parseBinaryOpPlus(mixed $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
@@ -295,12 +337,12 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' + ' . $right;
     }
 
-    private function parseReturn(mixed $v)
+    private function parseReturn(mixed $v): string
     {
         return 'return ' . $this->parseExpr($v->expr);
     }
 
-    private function parseBinaryOpMul(mixed $expr)
+    private function parseBinaryOpMul(mixed $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
@@ -308,7 +350,7 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' * ' . $right;
     }
 
-    private function detectType($var, $expr)
+    private function detectType($var, $expr): string
     {
         $exprType = $expr->getType();
         switch ($exprType) {
@@ -326,7 +368,7 @@ class Translator extends \PhpAot\Core\Translator
         }
     }
 
-    private function parseArray($node)
+    private function parseArray($node): string
     {
         $items = $node->items;
         $list = [];
@@ -350,11 +392,11 @@ class Translator extends \PhpAot\Core\Translator
         $name = $type->name;
         switch ($name) {
             case 'int':
-                return 'zend_long';
+                return 'php::Int';
             case 'array':
                 return 'php::Array';
             case 'float':
-                return 'double';
+                return 'php::Float';
             default:
                 debug($type);
         }
@@ -410,7 +452,7 @@ class Translator extends \PhpAot\Core\Translator
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
 
-        return $left . ' + ' . $right;
+        return 'concat(' . $left . ', ' . $right . ')';
     }
 
     private function parseFor(mixed $v): string
@@ -666,7 +708,7 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' != ' . $right;
     }
 
-    private function parseBinaryOpLogicalAnd(mixed $expr): string
+    private function parseBinaryOpLogicalAnd(Node $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
@@ -674,7 +716,7 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' && ' . $right;
     }
 
-    private function parseBinaryOpLogicalOr(mixed $expr): string
+    private function parseBinaryOpLogicalOr(Node $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
@@ -682,7 +724,7 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' || ' . $right;
     }
 
-    private function parseBinaryOpLogicalXor(mixed $expr): string
+    private function parseBinaryOpLogicalXor(Node $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
@@ -690,13 +732,13 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' ^ ' . $right;
     }
 
-    private function parseBooleanNot(mixed $expr): string
+    private function parseBooleanNot(Node $expr): string
     {
         $expr = $this->parseExpr($expr->expr);
         return '!' . $expr;
     }
 
-    private function parseWhile(mixed $v): string
+    private function parseWhile(Node $v): string
     {
         $cond = $this->parseExpr($v->cond);
         $stmts = $v->stmts;
@@ -710,7 +752,7 @@ class Translator extends \PhpAot\Core\Translator
         return $code;
     }
 
-    private function parseBinaryOpSmallerOrEqual(mixed $expr): string
+    private function parseBinaryOpSmallerOrEqual(Node $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
@@ -718,7 +760,7 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' <= ' . $right;
     }
 
-    private function parseBinaryOpGreaterOrEqual(mixed $expr): string
+    private function parseBinaryOpGreaterOrEqual(Node $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
@@ -726,12 +768,12 @@ class Translator extends \PhpAot\Core\Translator
         return $left . ' >= ' . $right;
     }
 
-    private function parsePrint(mixed $expr): string
+    private function parsePrint(Node $expr): string
     {
         return 'php::echo(' . $this->parseExpr($expr->expr) . ')';
     }
 
-    private function parseDo(mixed $v): string
+    private function parseDo(Node $v): string
     {
         $stmts = $v->stmts;
         $cond = $this->parseExpr($v->cond);
@@ -745,11 +787,76 @@ class Translator extends \PhpAot\Core\Translator
         return $code;
     }
 
-    private function parseBinaryOpIdentical(mixed $expr): string
+    private function parseBinaryOpIdentical(Node $expr): string
     {
         $left = $this->parseIdentifier($expr->left);
         $right = $this->parseIdentifier($expr->right);
 
         return 'php::same(' . $left . ', ' . $right . ')';
     }
+
+    private function parseNew(Node $expr): string
+    {
+        $className = $this->parseIdentifier($expr->class);
+        $args = $expr->args;
+        if (empty($args)) {
+            return 'new ' . $className . '()';
+        } else {
+            return 'new ' . $className . '(' . $this->parseArgs($args) . ')';
+        }
+    }
+
+    private function parseClone(Node $expr): string
+    {
+        $var = $this->parseIdentifier($expr->expr);
+        return $var . '.clone()';
+    }
+
+    private function parseNamespaceDef(Node $node): string
+    {
+        $this->namespace = $this->parseIdentifier($node->name);
+        $code = '';
+        foreach($node->stmts as $v2) {
+            $type2 = $v2->getType();
+            switch ($type2) {
+                case 'Stmt_Class':
+                    $code .= $this->parseClassDef($v2);
+                    break;
+                case 'Stmt_Function':
+                    $code .= $this->parseFunctionDef($v2) . PHP_EOL;
+                    break;
+                case 'Stmt_Use':
+                    foreach ($v2->uses as $use) {
+                        $this->uses[] = $use->name->toString();
+                    }
+                    break;
+                default:
+                    debug($v2);
+            }
+        }
+        $this->namespace = '';
+        $this->uses = [];
+        return $code;
+    }
+
+    private function parseClassDef(Node $v): string
+    {
+        $this->class = $this->parseIdentifier($v->name);
+        $code = '';
+        foreach($v->stmts as $v) {
+            $type = $v->getType();
+            switch ($type) {
+                case 'Stmt_ClassConst':
+                case 'Stmt_Property':
+                    break;
+                case 'Stmt_ClassMethod':
+                    $code .= $this->parseFunctionDef($v) . PHP_EOL;
+                    break;
+                default:
+                    debug($v);
+            }
+        }
+        $this->class = '';
+        return $code;
+    }
 }