Only allow users to use the trial level once with Paid Memberships Pro.

my_pmpro_after_change_membership_level.php

<?php
/*
	Only allow users to use the trial level once.
	Add this code to your active theme's functions.php
	or a custom plugin.
	Be sure to change the $trial_level_id variable in multiple places.
*/
//record when users gain the trial level
function my_pmpro_after_change_membership_level($level_id, $user_id)
{
	//set this to the id of your trial level
	$trial_level_id = 8;
		
	if($level_id == $trial_level_id)
	{	
		//add user meta to record the fact that this user has had this level before
		update_user_meta($user_id, "pmpro_trial_level_used", "1");
	}	
}
add_action("pmpro_after_change_membership_level", "my_pmpro_after_change_membership_level", 10, 2);

//check at checkout if the user has used the trial level already
function my_pmpro_registration_checks($value)
{
	global $current_user;
	
	//set this to the id of your trial level
	$trial_level_id = 8;

	if($current_user->ID && intval($_REQUEST['level']) == $trial_level_id)
	{
		//check if the current user has already used the trial level
		$already = get_user_meta($current_user->ID, "pmpro_trial_level_used", true);
		
		//yup, don't let them checkout
		if($already)
		{
			global $pmpro_msg, $pmpro_msgt;
			$pmpro_msg = "You have already used up your trial membership. Please select a full membership to checkout.";
			$pmpro_msgt = "pmpro_error";
			
			$value = false;
		}
	}
	
	return $value;
}
add_filter("pmpro_registration_checks", "my_pmpro_registration_checks");

//swap the expiration text if the user has used the trial
function my_pmpro_level_expiration_text($text, $level)
{
	global $current_user;
	
	//set this to the id of your trial level
	$trial_level_id = 8;

	if($current_user->ID && $level->id == $trial_level_id)
	{
		$text = "You have already used up your trial membership. Please select a full membership to checkout.";
	}
	
	return $text;
}
add_filter("pmpro_level_expiration_text", "my_pmpro_level_expiration_text", 10, 2);
?>

C'est quoi la solution en fin de compte
Le bouton renouveller est toujours visible même avec ce code

C'est quoi la solution en fin de compte
Le bouton renouveller est toujours visible même avec ce code

Effectivement le code ne fonctionne pas car on peut quand même y souscrire.
Regarde la révision de @itsjusteileen. Le bouton renouveler est toujours visible mais lorsque tu veux valider ta souscription il te met un message d'erreur te disant que tu as déja utilisé ce niveau.
https://gist.github.com/itsjusteileen/0c5077e8175eeeb6bb362c975b1f872b