Magento - get all the products in a category

gistfile1.php

<?php
// Get products from within a category
function getCatProds($catid) {
	$baseURL = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB); 
	$category = new Mage_Catalog_Model_Category();
	$category->load($catid); // this is your category id
	$collection = $category->getProductCollection();
	foreach($collection as $product) {
		$id[] = $product->getId();
	}
	$html = "<ul'>";
	foreach($id as $id){
		$product = Mage::getModel('catalog/product')->load($id); /* Load each product by ID*/
		$name = trim($product->getName());
		$link = Mage::getModel('catalog/product_url')->getUrlPath($product);
		$subtitle = trim($product->getData('subtitle')); // get attribute text
		$html .= "<li><a href='".$baseURL.$link."' title='".$name."'><strong>".$name."</strong> (".$subtitle.")</a></li>";
	}
	$html .= "</ul>";
	echo $html;
}
?>