Show how much is in stock on dashboard

GrocyPhpHelper.php

@@ -46,4 +46,15 @@ class GrocyPhpHelper
 
 		return $returnArray;
 	}
+
+	public static function SumArrayValue($array, $propertyName)
+	{
+		$sum = 0;
+		foreach($array as $object)
+		{
+			$sum += $object->{$propertyName};
+		}
+
+		return $sum;
+	}
 }

views/dashboard.php

@@ -2,7 +2,7 @@
 
 	<h1 class="page-header">Dashboard</h1>
 
-	<h3>Stock overview</h3>
+	<h3>Stock overview <span class="text-muded small"><strong><?php echo count($currentStock) ?></strong> products with <strong><?php echo GrocyPhpHelper::SumArrayValue($currentStock, 'amount'); ?></strong> units in stock</span></h3>
 
 	<div class="container-fluid">
 		<div class="row">