diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 613f7f2d8a8..36feaf79a6e 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -2707,14 +2707,14 @@ function dol_check_secure_access_document($modulepart, $original_file, $entity,
 		if ($fuser->rights->expedition->{$lire} || preg_match('/^specimen/i', $original_file)) {
 			$accessallowed = 1;
 		}
-		$original_file = $conf->expedition->dir_output."/".(strpos('sending/', $original_file) == 0 ? '' : 'sending/').$original_file;
+		$original_file = $conf->expedition->dir_output."/".(strpos('sending/', $original_file) === 0 ? '' : 'sending/').$original_file;
 		//$original_file = $conf->expedition->dir_output."/".$original_file;
 	} elseif (($modulepart == 'livraison' || $modulepart == 'delivery') && !empty($conf->expedition->dir_output)) {
 		// Delivery Note Wrapping
 		if ($fuser->rights->expedition->delivery->{$lire} || preg_match('/^specimen/i', $original_file)) {
 			$accessallowed = 1;
 		}
-		$original_file = $conf->expedition->dir_output."/".(strpos('receipt/', $original_file) == 0 ? '' : 'receipt/').$original_file;
+		$original_file = $conf->expedition->dir_output."/".(strpos('receipt/', $original_file) === 0 ? '' : 'receipt/').$original_file;
 	} elseif ($modulepart == 'actions' && !empty($conf->agenda->dir_output)) {
 		// Wrapping pour les actions
 		if ($fuser->rights->agenda->myactions->{$read} || preg_match('/^specimen/i', $original_file)) {
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 443a757b512..e0dcc51917b 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -65,30 +65,6 @@ function getDolGlobalInt($key)
 	return (int) (empty($conf->global->$key) ? 0 : $conf->global->$key);
 }
 
-/**
- * Return dolibarr global constant string value
- * @param string $key key to return value, return '' if not set
- * @return string
- */
-function getDolGlobalString($key)
-{
-	global $conf;
-	// return $conf->global->$key ?? '';
-	return (string) (empty($conf->global->$key) ? '' : $conf->global->$key);
-}
-
-/**
- * Return dolibarr global constant int value
- * @param string $key key to return value, return 0 if not set
- * @return int
- */
-function getDolGlobalInt($key)
-{
-	global $conf;
-	// return $conf->global->$key ?? 0;
-	return (int) (empty($conf->global->$key) ? 0 : $conf->global->$key);
-}
-
 /**
  * Return a DoliDB instance (database handler).
  *