diff --git a/laravel/bundle.php b/laravel/bundle.php
index 7e93af4e..2259228e 100644
--- a/laravel/bundle.php
+++ b/laravel/bundle.php
@@ -64,7 +64,7 @@ class Bundle {
 
 		static::$bundles[$bundle] = array_merge($defaults, $config);
 
-		// It is possible for the develoepr to specify auto-loader mappings
+		// It is possible for the developer to specify auto-loader mappings
 		// directly on the bundle registration. This provides a convenient
 		// way to register mappings withuot a bootstrap.
 		if (isset($config['autoloads']))
diff --git a/laravel/core.php b/laravel/core.php
index abcd809f..0dcaaca5 100644
--- a/laravel/core.php
+++ b/laravel/core.php
@@ -210,7 +210,7 @@ if (defined('STDIN'))
 |--------------------------------------------------------------------------
 |
 | Finally we will register all of the bundles that have been defined for
-| the application. None of them will be started, yet but will be setup
+| the application. None of them will be started yet, but will be setup
 | so that they may be started by the developer at any time.
 |
 */
diff --git a/laravel/file.php b/laravel/file.php
index 1cb33c00..e5bf8f5a 100644
--- a/laravel/file.php
+++ b/laravel/file.php
@@ -61,11 +61,11 @@ class File {
 	 * Delete a file.
 	 *
 	 * @param  string  $path
-	 * @return void
+	 * @return bool
 	 */
 	public static function delete($path)
 	{
-		if (static::exists($path)) @unlink($path);
+		if (static::exists($path)) return @unlink($path);
 	}
 
 	/**
diff --git a/laravel/input.php b/laravel/input.php
index 7c294a90..f08d7be8 100644
--- a/laravel/input.php
+++ b/laravel/input.php
@@ -197,6 +197,18 @@ class Input {
 		return array_get($_FILES, $key, $default);
 	}
 
+	/**
+	 * Determine if the uploaded data contains a file.
+	 *
+	 * @param  string  $key
+	 * @return bool
+	 */
+	public static function has_file($key)
+	{
+		$file = static::file($key);
+		return ! empty($file['tmp_name']);
+	}
+	
 	/**
 	 * Move an uploaded file to permanent storage.
 	 *