Create a WordPress page without a database entry

gistfile1.aw

<?php

add_action( 'generate_rewrite_rules', 'specialpage_rewrite' );

function specialpage_rewrite( $wp_rewrite ) {
	$extra_rules = array(
		'special-page/?$' => 'index.php?show_special_page=1',
	);

	$wp_rewrite->rules = $extra_rules + $wp_rewrite->rules;
}



add_filter( 'query_vars', 'specialpage_query_vars' );

function specialpage_query_vars( $vars )
{
	array_push($vars, 'show_special_page');
	return $vars;
}



add_filter( 'template_include', 'specialpage_switch_template' );

function specialpage_switch_template( $template ) {
	global $wp_query;
	global $post;

	if ( isset( $wp_query->query_vars['show_special_page'] ) && $wp_query->query_vars['show_special_page'] == '1' ) {
		return TEMPLATEPATH.'/special-page.php'; 
	}

	return $template;
}