bugfix on null if products empty

get_user_products.php

@@ -15,10 +15,30 @@ add_hook('ClientAreaPageCart', 1, function($vars) {
     $card_pids = array();
     $free_card_pids = array();
     $clientId = $vars['clientsdetails']['id'];
+    foreach($_SESSION['cart']['products'] as $item) {
+        array_push($card_pids, $item['pid']);
+        if($item['billingcycle'] == null) {
+            array_push($free_card_pids, $item['pid']);
+        }
+    }
+    $free_card_double_pids = array_unique(array_diff_assoc($free_card_pids, array_unique($free_card_pids)));
     // get client products
     $clientProducts = localAPI('GetClientsProducts', array('clientid' => $clientId, 'stats' => false));
     if(!$clientProducts['result'] == 'success'){
-        return;
+        return array('clientPids' => [],
+		'clientActiveFree' => [],
+		'clientCard' => $card_pids,
+		'clientCardFree' => $free_card_pids,
+		'clientCradDoubleFree' => $free_card_double_pids
+		);
+    }
+    if(empty($clientProducts['products'])){
+        return array('clientPids' => [],
+		'clientActiveFree' => [],
+		'clientCard' => $card_pids,
+		'clientCardFree' => $free_card_pids,
+		'clientCradDoubleFree' => $free_card_double_pids
+		);
     }
     foreach($clientProducts['products']['product'] as $product) {
         array_push($active_pids, $product['pid']);
@@ -26,12 +46,10 @@ add_hook('ClientAreaPageCart', 1, function($vars) {
             array_push($free_pids, $product['pid']);
         }
     }
-    foreach($_SESSION['cart']['products'] as $item) {
-        array_push($card_pids, $item['pid']);
-        if($item['billingcycle'] == null) {
-            array_push($free_card_pids, $item['pid']);
-        }
-    }
-    $free_card_double_pids = array_unique(array_diff_assoc($free_card_pids, array_unique($free_card_pids)));
-    return array('clientPids' => $active_pids, 'clientActiveFree' => $free_pids, 'clientCard' => $card_pids, 'clientCardFree' => $free_card_pids, 'clientCardDoubleFree' => $free_card_double_pids);
+    return array('clientPids' => $active_pids,
+		'clientActiveFree' => $free_pids,
+		'clientCard' => $card_pids,
+		'clientCardFree' => $free_card_pids,
+		'clientCradDoubleFree' => $free_card_double_pids
+	);
 });