initial commit of laravel!

system/session/driver/file.php

@@ -0,0 +1,64 @@
+<?php namespace System\Session\Driver;
+
+class File implements \System\Session\Driver {
+
+	/**
+	 * Load a session by ID.
+	 *
+	 * @param  string  $id
+	 * @return array
+	 */
+	public function load($id)
+	{
+		// -----------------------------------------------------
+		// Look for the session on the file system.
+		// -----------------------------------------------------
+		if (file_exists($path = APP_PATH.'sessions/'.$id))
+		{
+			return unserialize(file_get_contents($path));
+		}
+	}
+
+	/**
+	 * Save a session.
+	 *
+	 * @param  array  $session
+	 * @return void
+	 */
+	public function save($session)
+	{
+		file_put_contents(APP_PATH.'sessions/'.$session['id'], serialize($session), LOCK_EX);
+	}
+
+	/**
+	 * Delete a session by ID.
+	 *
+	 * @param  string  $id
+	 * @return void
+	 */
+	public function delete($id)
+	{
+		@unlink(APP_PATH.'sessions/'.$id);
+	}
+
+	/**
+	 * Delete all expired sessions.
+	 *
+	 * @param  int   $expiration
+	 * @return void
+	 */
+	public function sweep($expiration)
+	{
+		foreach (glob(APP_PATH.'sessions/*') as $file)
+		{
+			// -----------------------------------------------------
+			// If the session file has expired, delete it.
+			// -----------------------------------------------------
+			if (filetype($file) == 'file' and filemtime($file) < $expiration)
+			{
+				@unlink($file);
+			}			
+		}
+	}
+	
+}