//pour envoyer un message aux destinataires 2 et 3
$apns->newMessage(array(2,3));

Array ( [0] => 2 [1] => 3 )

$apns->newMessage($liste_pid);

$liste_pid = array (2,3); 
$apns->newMessage($liste_pid);

//on place dans un tableau tous les destinataires qui vont recevoir la notification
	$query_ListeDevices = "SELECT pid FROM apns_devices WHERE pushbadge = 'enabled' OR pushalert = 'enabled' OR pushsound = 'enabled'";
	$ListeDevices = mysql_query($query_ListeDevices, $connection_ebplo) or die(mysql_error());
	$totalRows_ListeDevices = mysql_num_rows($ListeDevices);
	
	while ($row_ListeDevices = mysql_fetch_assoc($ListeDevices))
	{ 
	  $liste_pid[] = $row_ListeDevices['pid'];
	}
	$NbDevices = count($liste_pid);

	
	// CREATE DATABASE OBJECT ( MAKE SURE TO CHANGE LOGIN INFO IN CLASS FILE )
	$db = new DbConnect();
	$db->show_errors();
	
	// FETCH $_GET OR CRON ARGUMENTS TO AUTOMATE TASKS
	$apns = new APNS($db);
	
	// APPLE APNS EXAMPLE 3
	//nettoyage du texte
	$texte_ok = stripslashes($texte);
	
	//$liste_pid = array(2,3);
	//$apns->newMessage(array(2,3));
	$apns->newMessage($liste_pid);

	$apns->addMessageAlert($texte_ok);
	//$apns->addMessageBadge(1);
	$apns->addMessageSound('alarm.caf');
	$apns->queueMessage();
	
	// SEND ALL MESSAGES NOW
	$apns->processQueue();
	
	//header('Location: ../../envoi_push_form.php'); 
	//exit();
	print_r($liste_pid);

otice: TO id was not an integer. 1) APNS::queueMessage -> File: envoi_push_script.php (line 71) 2) APNS::_triggerError -> File: class_APNS.php (line 598) in /homepages/18/d302109344/htdocs/sportwif/ebplo/EasyAPNS/php/classes/class_APNS.php on line 488

Notice: TO id was not an integer. 1) APNS::queueMessage -> File: envoi_push_script.php (line 71) 2) APNS::_triggerError -> File: class_APNS.php (line 598) in /homepages/18/d302109344/htdocs/sportwif/ebplo/EasyAPNS/php/classes/class_APNS.php on line 488
Array ( [0] => 2 [1] => 3 )

Dans ma boucle je mets $liste_pid sans les crochets ?

//on place dans un tableau tous les destinataires qui vont recevoir la notification
$query_ListeDevices = "SELECT pid FROM apns_devices WHERE pushbadge = 'enabled' OR pushalert = 'enabled' OR pushsound = 'enabled'";
$ListeDevices = mysql_query($query_ListeDevices, $connection_ebplo) or die(mysql_error());
$totalRows_ListeDevices = mysql_num_rows($ListeDevices);
        
while ($row_ListeDevices = mysql_fetch_assoc($ListeDevices))
{ 
     $liste_pid[] = $row_ListeDevices['pid'];
}

while ($row_ListeDevices = mysql_fetch_assoc($ListeDevices))
        {
          $liste_pid[] = intval(trim($row_ListeDevices['pid']));
        }