add support for translation blocks in blade templates

src/Illuminate/View/Compilers/BladeCompiler.php

@@ -546,7 +546,24 @@ protected function compileEndunless($expression)
      */
     protected function compileLang($expression)
     {
-        return "<?php echo app('translator')->get$expression; ?>";
+        if (is_null($expression)) {
+            return "<?php \$__env->startTranslation(); ?>";
+        } elseif ($expression[1] === '[') {
+            return "<?php \$__env->startTranslation{$expression}; ?>";
+        } else {
+            return "<?php echo app('translator')->get$expression; ?>";
+        }
+    }
+
+    /**
+     * Compile the endlang statements into valid PHP.
+     *
+     * @param  string  $expression
+     * @return string
+     */
+    protected function compileEndlang()
+    {
+        return '<?php echo $__env->renderTranslation(); ?>';
     }
 
     /**

src/Illuminate/View/Factory.php

@@ -143,6 +143,13 @@ class Factory implements FactoryContract
      */
     protected $pushStack = [];
 
+    /**
+     * The translation replacements for the translation being rendered.
+     *
+     * @var array
+     */
+    protected $translationReplacements = [];
+
     /**
      * The number of active rendering operations.
      *
@@ -851,6 +858,31 @@ public function yieldPushContent($section, $default = '')
         return implode($this->pushes[$section]);
     }
 
+    /**
+     * Start a translation block.
+     *
+     * @param  array  $replacements
+     * @return void
+     */
+    public function startTranslation($replacements = [])
+    {
+        ob_start();
+
+        $this->translationReplacements = $replacements;
+    }
+
+    /**
+     * Render the current translation.
+     *
+     * @return string
+     */
+    public function renderTranslation()
+    {
+        return $this->container->make('translator')->getFromJson(
+            trim(ob_get_clean()), $this->translationReplacements
+        );
+    }
+
     /**
      * Flush all of the section contents.
      *

tests/View/ViewFactoryTest.php

@@ -285,6 +285,20 @@ public function testComponentHandling()
         $this->assertEquals('title<hr> component Taylor', $contents);
     }
 
+    public function testTranslation()
+    {
+        $container = new Illuminate\Container\Container;
+        $container->instance('translator', $translator = m::mock('StdClass'));
+        $translator->shouldReceive('getFromJson')->with('Foo', ['name' => 'taylor'])->andReturn('Bar');
+        $factory = $this->getFactory();
+        $factory->setContainer($container);
+        $factory->startTranslation(['name' => 'taylor']);
+        echo 'Foo';
+        $string = $factory->renderTranslation();
+
+        $this->assertEquals('Bar', $string);
+    }
+
     public function testSingleStackPush()
     {
         $factory = $this->getFactory();