restore composer.json, add mysqli extension

app/Http/Controllers/Payments/is_proper.php

@@ -0,0 +1,10 @@
+<?php
+    if ($model->payment_system == 'payme') {
+        $amount = $amount / 100;
+    }
+
+    if ($model->amount == $amount) {
+        return true;
+    }
+
+    return false;