Mass update

_incl_data/class/Insallah/Core/Dbold.php

@@ -2,14 +2,14 @@
 
 namespace Insallah;
 
-use Core\Database;
+//use Core\Database;
 use Exception;
-use http\Message;
+//use http\Message;
 use PDO;
 use PDOException;
 use PDOStatement;
 
-class Db
+class DbOld
 {
     /**
      * Íàñòðîéêè ïîäêëþ÷åíèÿ

_incl_data/class/Insallah/Core/Math.php

@@ -5,19 +5,30 @@ namespace Insallah;
 /** All raw mathematics in one place. */
 class Math
 {
-    public static function getPercentage($total, $number)
+    /**
+     * @param float|int $total
+     * @param int|null  $number
+     * @return float
+     */
+    public static function getPercentage($total, ?int $number): float
     {
+        if (is_null($number)) {
+            return 0;
+        }
         return $total > 0 ? round(($number * 100) / $total, 2) : 0;
     }
 
 
-    public static function get100Percentage($total, $number)
+    public static function get100Percentage($total, ?int $number)
     {
+        if (is_null($number)) {
+            return 0;
+        }
         return min(self::getPercentage($total, $number), 100);
     }
 
     /** Number-20% and Number+20% */
-    public static function get20PercentRange($number)
+    public static function get20PercentRange($number): array
     {
         return [
             'min' => $number * ((100 - 20) / 100),