jeremyjaymes/filetype-extension.php

## filetype-extension.php
<?php
/**
 * Get attachment file type extension
 *
 * Requires that you have the attachment id
 * See this post http://jeremyjaymes.com/display-attach…ordpress-theme/ for more explanation
 */

 //* Assumes we're in a loop and have our attachment id already
 $file_url = wp_get_attachment_url( $file_id );
 $filetype = wp_check_filetype( $file_url );

    //* Output the link and file type, e.g. "Click to Download | PDF"
    echo '<p><a href="' . $the_file . '">Click to Download</a> | <span class="filetype">' . $filetype['ext'] . '</span></p>';
	<?php
	/**
	* Get attachment file type extension
	*
	* Requires that you have the attachment id
	* See this post http://jeremyjaymes.com/display-attach…ordpress-theme/ for more explanation
	*/

	//* Assumes we're in a loop and have our attachment id already
	$file_url = wp_get_attachment_url( $file_id );
	$filetype = wp_check_filetype( $file_url );

	//* Output the link and file type, e.g. "Click to Download \| PDF"
	echo '<p><a href="' . $the_file . '">Click to Download</a> \| <span class="filetype">' . $filetype['ext'] . '</span></p>';