.. _File-suffix:

==============================================
File::suffix()
==============================================

\\nn\\t3::File()->suffix(``$filename = NULL``);
----------------------------------------------

Returns the suffix of the file

.. code-block:: php

	\nn\t3::File()->suffix('image.jpg'); => returns 'jpg'

| ``@return string``

Source Code
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. code-block:: php

   
   public function suffix($filename = null)
   {
   	if (!$filename) return false;
   	$suffix = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
   	$suffix = preg_replace('/\?.*/', '', $suffix);
   	if ($suffix == 'jpeg') $suffix = 'jpg';
   	return $suffix;
   }