<?php
	// Check if post has atleast one image
	function get_first_image($post_content) {
	  $first_img = '';
	  $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post_content, $matches);
	  $first_img = $matches [1] [0];
	  return $first_img;
	}
	
	function convertToFullUrl($src){
		if(strpos($src, "http", 0) != 0 || strpos($src, "/", 0) == 0)
		{
			return get_bloginfo('wpurl').$src;
		}
		return $src;
	}

?>