diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 00032262c70..c763ef19f84 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -610,6 +610,7 @@ class Commande extends CommonOrder
                 return -1;
             }
         }
+        return 0;
     }
 
     /**
diff --git a/htdocs/contrat/class/api_contracts.class.php b/htdocs/contrat/class/api_contracts.class.php
index da364e925e4..0bc02458869 100644
--- a/htdocs/contrat/class/api_contracts.class.php
+++ b/htdocs/contrat/class/api_contracts.class.php
@@ -40,7 +40,7 @@ class Contracts extends DolibarrApi
     );
 
     /**
-     * @var Contract $contract {@type Contrat}
+     * @var Contrat $contract {@type Contrat}
      */
     public $contract;
 
@@ -156,6 +156,7 @@ class Contracts extends DolibarrApi
         {
             $num = $db->num_rows($result);
             $min = min($num, ($limit <= 0 ? $num : $limit));
+            $i=0;
             while ($i < $min)
             {
                 $obj = $db->fetch_object($result);
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 24827ce0cd4..a959a7f585d 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -101,7 +101,7 @@ abstract class CommonObject
 	// Following vars are used by some objects only. We keep this property here in CommonObject to be able to provide common method using them.
 
 	/**
-	 * @var string[]	Can be used to pass information when only object is provided to method
+	 * @var array<string,mixed>		Can be used to pass information when only object is provided to method
 	 */
 	public $context=array();
 
diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 68463aebb5b..c637155e48b 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -974,6 +974,7 @@ class ExtraFields
 			{
 				$param_list=array_keys($param['options']);
 				$InfoFieldList = explode(":", $param_list[0]);
+				$parentName='';
 				// 0 : tableName
 				// 1 : label field name
 				// 2 : key fields name (if differ of rowid)
@@ -1058,8 +1059,9 @@ class ExtraFields
 						$obj = $this->db->fetch_object($resql);
 
 						// Several field into label (eq table:code|libelle:rowid)
+						$notrans = false;
 						$fields_label = explode('|',$InfoFieldList[1]);
-						if(is_array($fields_label))
+						if (is_array($fields_label))
 						{
 							$notrans = true;
 							foreach ($fields_label as $field_toshow)
@@ -1073,7 +1075,7 @@ class ExtraFields
 						}
 						$labeltoshow=dol_trunc($labeltoshow,45);
 
-						if ($value==$obj->rowid)
+						if ($value == $obj->rowid)
 						{
 							foreach ($fields_label as $field_toshow)
 							{
@@ -1088,7 +1090,7 @@ class ExtraFields
 						}
 						else
 						{
-							if(!$notrans)
+							if (! $notrans)
 							{
 								$translabel=$langs->trans($obj->{$InfoFieldList[1]});
 								if ($translabel!=$obj->{$InfoFieldList[1]}) {
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index f1a16df9375..f93b1ebf984 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -4751,6 +4751,12 @@ class Form
 				$smin = dol_print_date($set_time, "%M");
 				$ssec = dol_print_date($set_time, "%S");
 			}
+			else
+			{
+				$shour = '';
+				$smin = '';
+				$ssec = '';
+			}
 		}
 		else
 		{