Update MySQLConnection.php

Author: nsiatras

berry/mysql/MySQLConnection.php

@@ -4,6 +4,7 @@ class MySQLConnection
 {
 
     private mysqli $fLink; // The mysqli link with the selected MySQL database
+    private bool $fConnectionIsOpen = false;
 
     /**
      * Constructs a new MySQLConnection
@@ -26,6 +27,7 @@ public function __construct(string $serverIP, string $database, string $user, st
         {
             $this->fLink->set_charset($charset);
         }
+        $this->fConnectionIsOpen = true;
     }
 
     /**
@@ -44,7 +46,11 @@ public function EscapeString(string $string): string
      */
     public function Close(): void
     {
-        $this->fLink->close();
+        if ($this->fConnectionIsOpen)
+        {
+            $this->fLink->close();
+            $this->fConnectionIsOpen = false;
+        }
     }
 
     /**
@@ -55,7 +61,6 @@ public function getLink(): mysqli
     {
         return $this->fLink;
     }
-
 }
 
 ?>