From 83bb95f318c5039eaa584b76e2d853b76b7d617b Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Tue, 10 Jan 2023 18:50:01 +0100
Subject: [PATCH] Fix warning php8

---
 htdocs/core/modules/propale/doc/pdf_azur.modules.php | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index eac6e0261ee..5f637373507 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -675,10 +675,18 @@ class pdf_azur extends ModelePDFPropales
 
 					// retrieve global local tax
 					if ($localtax1_type && $localtax1ligne != 0) {
-						$this->localtax1[$localtax1_type][$localtax1_rate] += $localtax1ligne;
+						if (empty($this->localtax1[$localtax1_type][$localtax1_rate])) {
+							$this->localtax1[$localtax1_type][$localtax1_rate] = $localtax1ligne;
+						} else {
+							$this->localtax1[$localtax1_type][$localtax1_rate] += $localtax1ligne;
+						}
 					}
 					if ($localtax2_type && $localtax2ligne != 0) {
-						$this->localtax2[$localtax2_type][$localtax2_rate] += $localtax2ligne;
+						if (empty($this->localtax2[$localtax2_type][$localtax2_rate])) {
+							$this->localtax2[$localtax2_type][$localtax2_rate] = $localtax2ligne;
+						} else {
+							$this->localtax2[$localtax2_type][$localtax2_rate] += $localtax2ligne;
+						}
 					}
 
 					if (($object->lines[$i]->info_bits & 0x01) == 0x01) {