<?php
/**
 * Plugin Name: First Attempt
* Plugin URI: http://www.cubidesigns.co.uk
* Description: This is my first attempt and replaces <h2> tags with <h3>
* Version: 1.0
* Author: Reece McDonald
* Author URI: http://www.cubidesigns.co.uk
*/


function change_tags($content)
{
	$theContent = preg_replace('/<h2>/','<h3>', $content);
	$theContent = preg_replace('/<\/h2>/', '</h3>', $theContent);

	if(is_single())
	{
		return $theContent;
	}
}



add_filter('the_content','change_tags');























?>