If a member has a pending check order for a level, don't show that level on the Levels page

my_pmprobc_dont_show_pending_level.php

/** If a member has a pending check order for a level, don't show that level on the Levels page
 *  Compatible with the Advanced Shortcode Add On.
 *  Requires PMPro and Pay By Check to be installed and configured
 */

function my_pmprobc_dont_show_pending_level( $level_array ){

	// get the last order for the current user
	$last_order = new MemberOrder();
	$last_order->getLastMemberOrder(NULL, NULL);

	// bail if there wasn't a last order
  	if( !isset( $last_order->membership_id ) )
		return $level_array;

	// bail if the last order wasn't a check order or in "pending"/"review"/blank status
	if( $last_order->gateway != "check" || !in_array( $last_order->status, array( "pending", "review", "" ) ) )
		return $level_array;

	//if we've made it this far, let's add all the non-pending levels to a new array and return that
	$new_levels = array();
	foreach($level_array as $key => $level)
	{
		if($level->id != $last_order->membership_id)
		{
			$new_levels[$key] = $level;
		}
	}
  	return $new_levels;
}
add_filter( 'pmpro_levels_array', 'my_pmprobc_dont_show_pending_level');