wip matches

app/Utilities/Margin.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Utilities;
+
+class Margin
+{
+    public static function margin($arr)
+    {
+        if (! is_array($arr)) {
+            return false;
+        }
+        $r = 0;
+        foreach ($arr as $key => $value) {
+            $r += 100 / $value;
+        }
+
+        return round($r, 3);
+    }
+}