Merge pull request #21226 from ptibogxiv/patch-21

Fix php8 compatibility

dev/dolibarr_changes.txt

@@ -275,6 +275,13 @@ RESTLER:
 	with 
 	
 	$loaders = array_unique(static::$rogueLoaders, SORT_REGULAR);
+	
+* Replace CommentParser.php line 423
+	elseif (count($value) && is_numeric($value[0]))
+	
+	with
+	
+	elseif (count($value) && isset($value[0]) && is_numeric($value[0]))
 
 
 +With swagger 2 provided into /explorer:

htdocs/includes/restler/framework/Luracast/Restler/CommentParser.php

@@ -420,7 +420,7 @@ class CommentParser
                 $exception = $v1;
                 array_shift($value);
             }
-        } elseif (count($value) && is_numeric($value[0])) {
+        } elseif (count($value) && isset($value[0]) && is_numeric($value[0])) {
             $code = $value[0];
             array_shift($value);
         }