diff --git a/bin/blade b/bin/blade
index 3695fa6..8feea41 100755
--- a/bin/blade
+++ b/bin/blade
@@ -11,7 +11,7 @@ use Symfony\Component\Console\ConsoleEvents;
 use Symfony\Component\EventDispatcher\EventDispatcher;
 
 // Create App
-$application = new Application('Blade CLI', '1.0.1');
+$application = new Application('Blade CLI', '1.1.0');
 $dispatcher = new EventDispatcher();
 
 //Add compile command
diff --git a/composer.json b/composer.json
index ed4e958..a35eb22 100644
--- a/composer.json
+++ b/composer.json
@@ -23,8 +23,8 @@
     },
     "scripts": {
         "build": "mkdir -p dist && php ./phar-composer.phar build . dist",
-        "test": "php bin/blade test/index.blade.php --data=test/variables.json --data=test/variables.php --data='{\"nameString\":\"John Doe\"}'",
-        "build:test": "php dist/blade-cli.phar test/index.blade.php --data=test/variables.json --data=test/variables.php --data='{\"nameString\":\"John Doe\"}'",
+        "test": "php bin/blade test/index.blade.php --data=test/variables.json --data=test/variables.php --data='{\"nameString\":\"John Doe\"}' --extend=test/extensions.php",
+        "build:test": "php dist/blade-cli.phar test/index.blade.php --data=test/variables.json --data=test/variables.php --data='{\"nameString\":\"John Doe\"}' --extend=test/extensions.php",
         "build:install": "sudo cp dist/blade-cli.phar /usr/bin/blade && sudo chmod +x /usr/bin/blade"
     },
     "bin": ["bin/blade"]
diff --git a/src/Command/Compile.php b/src/Command/Compile.php
index cec814d..a5ab3b1 100644
--- a/src/Command/Compile.php
+++ b/src/Command/Compile.php
@@ -56,6 +56,13 @@ protected function configure()
             'txt'
         );
 
+        $this->addOption(
+            'extend',
+            null,
+            InputOption::VALUE_REQUIRED,
+            'This option accepts a path to a PHP file with user code to extend the compiler by using $compiler->extend()'
+        );
+
         $this->addOption(
             'dynamic-base',
             null,
@@ -70,6 +77,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $dataPaths = $input->getOption('data');
         $outputDir = $input->getOption('output-dir');
         $outputExt = $input->getOption('output-ext');
+        $extend = $input->getOption('extend');
         $baseDirs = $input->getOption('base-dir');
         $dynamicBase = $input->getOption('dynamic-base');
 
@@ -124,6 +132,10 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $cacheDir = sys_get_temp_dir().'/blade/views';
         $blade = new Compiler($cacheDir, $baseDirs);
 
+        if (file_exists($extend)) {
+            includeExtensions($blade, $extend);
+        }
+
         // Loop through all templates
         foreach ($templates as $template) {
             // Compile template
@@ -140,7 +152,11 @@ protected function execute(InputInterface $input, OutputInterface $output)
                 $dynamicBase = ($dynamicBase == '.') ? getcwd() : $dynamicBase;
 
                 $dynamicDirs = array_merge($baseDirs, [$dynamicBase]);
-                $blade = new Compiler($cacheDir, $dynamicDirs);
+                $bladeDyn = new Compiler($cacheDir, $dynamicDirs);
+
+                if (file_exists($extend)) {
+                    includeExtensions($bladeDyn, $extend);
+                }
 
                 $compiled = $blade->render($reference, $data);
             }
@@ -267,3 +283,7 @@ protected function writeFile($path, $content) {
         }
     }
 }
+
+function includeExtensions(&$compiler, $path) {
+    include $path;
+}
diff --git a/test/extensions.php b/test/extensions.php
new file mode 100644
index 0000000..c0b40bd
--- /dev/null
+++ b/test/extensions.php
@@ -0,0 +1,5 @@
+<?php
+
+$compiler->extend('no', function ($expression) {
+    return "<?php echo $expression; ?>";
+});
diff --git a/test/index.blade.php b/test/index.blade.php
index 3ff4e8d..7fd1d1e 100644
--- a/test/index.blade.php
+++ b/test/index.blade.php
@@ -14,4 +14,7 @@
 JSON string variables are loaded?
 {{ isset($nameString) ? 'yes: name = '.$nameString : 'no' }}
 
+Extensions are loaded?
+@no("yes")
+
 @endsection