diff --git a/htdocs/accountancy/class/accountancycategory.class.php b/htdocs/accountancy/class/accountancycategory.class.php
index 2715337c7fc..3e661958931 100644
--- a/htdocs/accountancy/class/accountancycategory.class.php
+++ b/htdocs/accountancy/class/accountancycategory.class.php
@@ -354,7 +354,7 @@ class AccountancyCategory
 		}
 		if ($thirdparty_code != 'nofilter')
 		{
-			$sql .= " AND thirdparty_code = '".$ths->db->escape($thirdparty_code)."'";
+			$sql .= " AND thirdparty_code = '".$this->db->escape($thirdparty_code)."'";
 		}
 
 		dol_syslog(__METHOD__ . " sql=" . $sql, LOG_DEBUG);
diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index 12804a5fab9..7a1a3985dd9 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -1549,8 +1549,10 @@ class Categorie extends CommonObject
 		}
 
 		if (file_exists($dir)) {
-			if (is_array($file['name']) && count($file['name']) > 0) {
-				for($i = 0; $i <= count($file['name']); $i ++) {
+			if (is_array($file['name']) && count($file['name']) > 0)
+			{
+				$nbfile = count($file['name']);
+				for ($i = 0; $i <= $nbfile; $i ++) {
 
 					$originImage = $dir . $file['name'][$i];
 
diff --git a/htdocs/core/class/html.formwebsite.class.php b/htdocs/core/class/html.formwebsite.class.php
index 666311d1744..a42bdd0158a 100644
--- a/htdocs/core/class/html.formwebsite.class.php
+++ b/htdocs/core/class/html.formwebsite.class.php
@@ -510,8 +510,6 @@ class FormWebsite
         {
         	if ($lines[$i]->fk_parent == $parent)
             {
-                $var = !$var;
-
 				//var_dump($selectedproject."--".$selectedtask."--".$lines[$i]->fk_project."_".$lines[$i]->id);		// $lines[$i]->id may be empty if project has no lines
 
                 // Break on a new project
@@ -1119,7 +1117,7 @@ class FormWebsite
 
         	$emptybox=new ModeleBoxes($db);
 
-            $boxlista.="\n<!-- Box left container -->\n";
+            $boxlista ="\n<!-- Box left container -->\n";
             $boxlista.='<div id="left" class="connectedSortable">'."\n";
 
             // Define $box_max_lines
@@ -1152,7 +1150,7 @@ class FormWebsite
             $boxlista.= "</div>\n";
             $boxlista.= "<!-- End box left container -->\n";
 
-            $boxlistb.= "\n<!-- Box right container -->\n";
+            $boxlistb = "\n<!-- Box right container -->\n";
             $boxlistb.= '<div id="right" class="connectedSortable">'."\n";
 
             $ii=0;