diff --git a/dev/skeletons/skeleton_class.class.php b/dev/skeletons/skeleton_class.class.php
index 2858e791ce8..080a2c5220e 100644
--- a/dev/skeletons/skeleton_class.class.php
+++ b/dev/skeletons/skeleton_class.class.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2007-2012  Laurent Destailleur <eldy@users.sourceforge.net>
- * Copyright (C) 2014       Juanjo Menent       <jmenent@2byte.es>
+ * Copyright (C) 2014-2016  Juanjo Menent       <jmenent@2byte.es>
  * Copyright (C) 2015       Florian Henry       <florian.henry@open-concept.pro>
  * Copyright (C) 2015       Raphaël Doursenaud  <rdoursenaud@gpcsolutions.fr>
  * Copyright (C) ---Put here your own copyright and developer email---
@@ -116,7 +116,7 @@ class Skeleton_Class extends CommonObject
 		if (!$resql) {
 			$error ++;
 			$this->errors[] = 'Error ' . $this->db->lasterror();
-			dol_syslog(__METHOD__ . ' ' . join(',', $this->errors), LOG_ERR);
+			dol_syslog(__METHOD__ . ' ' . implode(',', $this->errors), LOG_ERR);
 		}
 
 		if (!$error) {
@@ -189,7 +189,7 @@ class Skeleton_Class extends CommonObject
 			}
 		} else {
 			$this->errors[] = 'Error ' . $this->db->lasterror();
-			dol_syslog(__METHOD__ . ' ' . join(',', $this->errors), LOG_ERR);
+			dol_syslog(__METHOD__ . ' ' . implode(',', $this->errors), LOG_ERR);
 
 			return - 1;
 		}
@@ -256,7 +256,7 @@ class Skeleton_Class extends CommonObject
 			return $num;
 		} else {
 			$this->errors[] = 'Error ' . $this->db->lasterror();
-			dol_syslog(__METHOD__ . ' ' . join(',', $this->errors), LOG_ERR);
+			dol_syslog(__METHOD__ . ' ' . implode(',', $this->errors), LOG_ERR);
 
 			return - 1;
 		}
@@ -301,7 +301,7 @@ class Skeleton_Class extends CommonObject
 		if (!$resql) {
 			$error ++;
 			$this->errors[] = 'Error ' . $this->db->lasterror();
-			dol_syslog(__METHOD__ . ' ' . join(',', $this->errors), LOG_ERR);
+			dol_syslog(__METHOD__ . ' ' . implode(',', $this->errors), LOG_ERR);
 		}
 
 		if (!$error && !$notrigger) {
@@ -362,7 +362,7 @@ class Skeleton_Class extends CommonObject
 			if (!$resql) {
 				$error ++;
 				$this->errors[] = 'Error ' . $this->db->lasterror();
-				dol_syslog(__METHOD__ . ' ' . join(',', $this->errors), LOG_ERR);
+				dol_syslog(__METHOD__ . ' ' . implode(',', $this->errors), LOG_ERR);
 			}
 		}
 
@@ -410,7 +410,7 @@ class Skeleton_Class extends CommonObject
 		if ($result < 0) {
 			$error ++;
 			$this->errors = $object->errors;
-			dol_syslog(__METHOD__ . ' ' . join(',', $this->errors), LOG_ERR);
+			dol_syslog(__METHOD__ . ' ' . implode(',', $this->errors), LOG_ERR);
 		}
 
 		// End
diff --git a/dev/skeletons/skeleton_list.php b/dev/skeletons/skeleton_list.php
index f1413bb3712..4a2e26856dc 100644
--- a/dev/skeletons/skeleton_list.php
+++ b/dev/skeletons/skeleton_list.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2007-2015 Laurent Destailleur  <eldy@users.sourceforge.net>
- * Copyright (C) ---Put here your own copyright and developer email---
+ * Copyright (C) 2014-2016  Juanjo Menent       <jmenent@2byte.es>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -292,7 +292,7 @@ if ($resql)
     if ($sall)
     {
         foreach($fieldstosearchall as $key => $val) $fieldstosearchall[$key]=$langs->trans($val);
-        print $langs->trans("FilterOnInto", $all) . join(', ',$fieldstosearchall);
+        print $langs->trans("FilterOnInto", $all) . implode(', ',$fieldstosearchall);
     }
     
     $moreforfilter = '';
diff --git a/dev/translation/autotranslator.class.php b/dev/translation/autotranslator.class.php
index 584d3971b3f..47d6a25ec15 100644
--- a/dev/translation/autotranslator.class.php
+++ b/dev/translation/autotranslator.class.php
@@ -300,7 +300,7 @@ class autoTranslator
 		//setting language pair
 		$lang_pair = $src_lang.'|'.$dest_lang;
 
-		$src_text_to_translate=preg_replace('/%s/','SSSSS',join('',$src_texts));
+		$src_text_to_translate=preg_replace('/%s/','SSSSS',implode('',$src_texts));
 		$src_text_to_translate=preg_replace('/'.preg_quote('\n\n').'/',' NNNNN ',$src_text_to_translate);
 
 		// Define GET URL v1
diff --git a/dev/translation/sanity_check_en_langfiles.php b/dev/translation/sanity_check_en_langfiles.php
index 1912c8b4142..df833bb394e 100755
--- a/dev/translation/sanity_check_en_langfiles.php
+++ b/dev/translation/sanity_check_en_langfiles.php
@@ -1,7 +1,8 @@
 #!/usr/bin/env php
 <?php
-/* Copyright (c) 2015 Tommaso Basilici    <t.basilici@19.coop>
- * Copyright (c) 2015 Laurent Destailleur <eldy@destailleur.fr>
+/* Copyright (c) 2015 Tommaso Basilici          <t.basilici@19.coop>
+ * Copyright (c) 2015 Laurent Destailleur       <eldy@destailleur.fr>
+ * Copyright (C) 2014-2016  Juanjo Menent       <jmenent@2byte.es>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -359,7 +360,7 @@ if ((! empty($_REQUEST['unused']) && $_REQUEST['unused'] == 'true') || (isset($a
 	{
         $filetosave='/tmp/'.($argv[2]?$argv[2]:"").'notused.lang';
         print "Strings in en_US that are never used are saved into file ".$filetosave.":\n";
-        file_put_contents($filetosave, join("",$unused));
+        file_put_contents($filetosave, implode("",$unused));
         print "To remove from original file, run command :\n";
         if (($argv[2]?$argv[2]:"")) print 'cd htdocs/langs/en_US; mv '.($argv[2]?$argv[2]:"")." ".($argv[2]?$argv[2]:"").".tmp; ";
         print "diff ".($argv[2]?$argv[2]:"").".tmp ".$filetosave." | grep \< | cut  -b 3- > ".($argv[2]?$argv[2]:"");