Media::get_file_mime_types()

	protected function get_file_mime_types() {
		$mime_types = wp_get_mime_types();

		$file_types = array();
		foreach ( $mime_types as $extensions => $mime_type ) {
			$extensions = explode( '|', $extensions );
			foreach ( $extensions as $extension ) {
				$file_types[ $extension ] = $mime_type;
			}
		}

		return $file_types;
	}