WordPress shortcode to get a page's content

get-page-shortcode.php

<?php
add_shortcode('get-page', 'mytheme_get_page');
function mytheme_get_page($atts=array(), $content=NULL){
  extract(shortcode_atts(array(
		'page' => NULL
	), $atts));
	
	if(!$page){
		return '';
	}
	
	if(!is_numeric($page)){
		$obj = get_page_by_path($page);
	    if ($obj) {
	        $page = $obj->ID;
	    } else {
	        return '';
	    }
	}
	
	$include = get_page($page);
	
	return apply_filters('the_content', $include->post_content);
}