Regexp slideshare

gistfile1.aw

<?php
/*
Plugin Name: MA Slideshare
Description: MA Slideshare
Version:     1.0
Author:      MediaAnalys
Plugin URI:  http://www.mediaanalys.se
Author URI:  http://www.mediaanalys.se
*/

add_filter('the_content', 'ma_slideshare_filter_content');

$ma_slider_callback = function($input) {
	$url = $input[0];
	$remoteUrl = sprintf('http://www.slideshare.net/api/oembed/2?format=json&url=%s', urlencode($url));
	$json = file_get_contents($remoteUrl);
	$response = json_decode($json);
	var_dump($response);
	$id = $response->slideshow_id;
	return sprintf('<iframe src="http://www.slideshare.net/slideshow/embed_code/%d" width="670" height="800"></iframe>', $id);
};

function ma_slideshare_filter_content($content) {
	
	$regex = '~(http://www\.slideshare\.net/[^\.\s\<]+)~';
	$content = preg_replace_callback($regex, $ma_slider_callback, $content);
	return $content;
}
?>