alter the subscription card order

alter-order.php

<?php

/* Alter subscription card order */

add_filter( 'leaky_paywall_subscription_levels', 'zeen101_alter_subscription_card_order' );
function zeen101_alter_subscription_card_order( $levels ) {

	$yearly = $levels[0];
	$monthly = $levels[1];
	$corporate = $levels[2];

	// set the array key as the original level_id, but put the levels in the order you want
	$sorted_levels = array( '1' => $monthly, '0' => $yearly, '2' => $corporate );

	return $sorted_levels;

}