add calculate invoice balance function

2026-02-28 10:54:52 +00:00 · 2023-12-13 16:10:08 +00:00
parent 8e17dbf5ba
commit 5be0f9f934
3 changed files with 213 additions and 0 deletions
--- a/debug.php
+++ b/debug.php
@@ -0,0 +1,5 @@
+<?php
+
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);