Hidden Levels for Paid Memberships Pro

gistfile1.aw

<?php
/*
Plugin Name: PMPro Hidden Levels
Plugin URI: http://www.paidmembershipspro.com/pmpro-hidden-levels/
Description: With this plugin, select levels are removed from the levels page but still available for checkout if you visit the checkout URL directly.
Version: .1
Author: Stranger Studios
Author URI: http://www.strangerstudios.com
*/

/*
	The Paid Memberships Pro plugin must be installed and active for this plugin to work.
	
	(!) Edit the variable below to set which levels should removed from the levels page.
*/
global $phl_hidden_levels;
$phl_hidden_levels = array(2,3);

/*
	Remove the levels from the levels page.
*/				
function phl_pmpro_levels_array($levels)
{
	global $phl_hidden_levels;
		
	$newarray = array();
	foreach($levels as $level)
	{
		if(!in_array($level->id, $phl_hidden_levels))
			$newarray[] = $level;
	}
	
	return $newarray;
}
add_filter("pmpro_levels_array", "phl_pmpro_levels_array");	

/*
	Require a certain discount code to checkout.
*/			
global $phl_required_codes;
$phl_required_codes = array(2 => "level2", 3 => "level3");

function phl_pmpro_registration_checks($okay)
{
	//only check if we're okay so far
	if($okay)
	{
		//is this a level that requires a discount code?
		global $pmpro_level, $phl_required_codes;
		foreach($phl_required_codes as $level_id => $code)
		{
			if($pmpro_level->id == $level_id)
			{
				//level matched. do they have the code?
				if(empty($_REQUEST['discount_code']) || strtolower($_REQUEST['discount_code']) != strtolower($code))
				{
					global $pmpro_msg, $pmpro_msgt;
					$pmpro_msg = "A certain discount code is required to check out for this level. Please try again.";
					$pmpro_msgt = "pmpro_error";
					$okay = false;
					break;
				}
			}			
		}
	}
	
	return $okay;
}
add_filter("pmpro_registration_checks", "phl_pmpro_registration_checks");