diff --git a/htdocs/comm/mailing/class/advtargetemailing.class.php b/htdocs/comm/mailing/class/advtargetemailing.class.php
index b450f5a0872..9d6cccdacf5 100644
--- a/htdocs/comm/mailing/class/advtargetemailing.class.php
+++ b/htdocs/comm/mailing/class/advtargetemailing.class.php
@@ -114,22 +114,17 @@ class AdvanceTargetingMailing extends CommonObject
 		$error=0;
 
 		// Clean parameters
-		if (isset($this->fk_element)) $this->fk_element=trim($this->fk_element);
+		if (isset($this->fk_element)) $this->fk_element=(int) $this->fk_element;
 		if (isset($this->type_element)) $this->type_element=trim($this->type_element);
 
 		if (isset($this->name)) $this->name=trim($this->name);
 		if (isset($this->filtervalue)) $this->filtervalue=trim($this->filtervalue);
-		if (isset($this->fk_user_author)) $this->fk_user_author=trim($this->fk_user_author);
-		if (isset($this->fk_user_mod)) $this->fk_user_mod=trim($this->fk_user_mod);
-
-
 
 		// Check parameters
 		// Put here code to add control on parameters values
 
 		// Insert request
 		$sql = "INSERT INTO ".MAIN_DB_PREFIX."advtargetemailing(";
-
 		$sql.= "name,";
 		$sql.= "entity,";
 		$sql.= "fk_element,";
@@ -138,10 +133,7 @@ class AdvanceTargetingMailing extends CommonObject
 		$sql.= "fk_user_author,";
 		$sql.= "datec,";
 		$sql.= "fk_user_mod";
-
-
 		$sql.= ") VALUES (";
-
 		$sql.= " ".(! isset($this->name)?'NULL':"'".$this->db->escape($this->name)."'").",";
 		$sql.= " ".$conf->entity.",";
 		$sql.= " ".(! isset($this->fk_element)?'NULL':"'".$this->db->escape($this->fk_element)."'").",";
@@ -149,9 +141,7 @@ class AdvanceTargetingMailing extends CommonObject
 		$sql.= " ".(! isset($this->filtervalue)?'NULL':"'".$this->db->escape($this->filtervalue)."'").",";
 		$sql.= " ".$user->id.",";
 		$sql.= " '".$this->db->idate(dol_now())."',";
-		$sql.= " ".$user->id;
-
-
+		$sql.= " null";
 		$sql.= ")";
 
 		$this->db->begin();
@@ -396,14 +386,10 @@ class AdvanceTargetingMailing extends CommonObject
 		$error=0;
 
 		// Clean parameters
-		if (isset($this->fk_element)) $this->fk_element=trim($this->fk_element);
+		if (isset($this->fk_element)) $this->fk_element=(int) $this->fk_element;
 		if (isset($this->type_element)) $this->type_element=trim($this->type_element);
 		if (isset($this->name)) $this->name=trim($this->name);
 		if (isset($this->filtervalue)) $this->filtervalue=trim($this->filtervalue);
-		if (isset($this->fk_user_author)) $this->fk_user_author=trim($this->fk_user_author);
-		if (isset($this->fk_user_mod)) $this->fk_user_mod=trim($this->fk_user_mod);
-
-
 
 		// Check parameters
 		// Put here code to add a control on parameters values
@@ -417,7 +403,6 @@ class AdvanceTargetingMailing extends CommonObject
 		$sql.= " type_element=".(isset($this->type_element)?"'".$this->db->escape($this->type_element)."'":"null").",";
 		$sql.= " filtervalue=".(isset($this->filtervalue)?"'".$this->db->escape($this->filtervalue)."'":"null").",";
 		$sql.= " fk_user_mod=".$user->id;
-
 		$sql.= " WHERE rowid=".$this->id;
 
 		$this->db->begin();
diff --git a/htdocs/compta/localtax/class/localtax.class.php b/htdocs/compta/localtax/class/localtax.class.php
index b0178bd09e1..30d2d0de33c 100644
--- a/htdocs/compta/localtax/class/localtax.class.php
+++ b/htdocs/compta/localtax/class/localtax.class.php
@@ -97,9 +97,6 @@ class Localtax extends CommonObject
 		$this->amount=trim($this->amount);
 		$this->label=trim($this->label);
 		$this->note=trim($this->note);
-		$this->fk_bank=trim($this->fk_bank);
-		$this->fk_user_creat=trim($this->fk_user_creat);
-		$this->fk_user_modif=trim($this->fk_user_modif);
 
         // Insert request
 		$sql = "INSERT INTO ".MAIN_DB_PREFIX."localtax(";
@@ -121,9 +118,9 @@ class Localtax extends CommonObject
 		$sql.= " '".$this->db->escape($this->amount)."',";
 		$sql.= " '".$this->db->escape($this->label)."',";
 		$sql.= " '".$this->db->escape($this->note)."',";
-		$sql.= " ".($this->fk_bank <= 0 ? "NULL" : "'".$this->db->escape($this->fk_bank)."'").",";
-		$sql.= " '".$this->db->escape($this->fk_user_creat)."',";
-		$sql.= " '".$this->db->escape($this->fk_user_modif)."'";
+		$sql.= " ".($this->fk_bank <= 0 ? "NULL" : (int) $this->fk_bank).",";
+		$sql.= " ".((int) $this->fk_user_creat).",";
+		$sql.= " ".((int) $this->fk_user_modif);
 		$sql.= ")";
 
 	   	dol_syslog(get_class($this)."::create", LOG_DEBUG);
@@ -173,9 +170,6 @@ class Localtax extends CommonObject
 		$this->amount=trim($this->amount);
 		$this->label=trim($this->label);
 		$this->note=trim($this->note);
-		$this->fk_bank=trim($this->fk_bank);
-		$this->fk_user_creat=trim($this->fk_user_creat);
-		$this->fk_user_modif=trim($this->fk_user_modif);
 
 		$this->db->begin();
 
@@ -188,9 +182,9 @@ class Localtax extends CommonObject
 		$sql.= " amount=".price2num($this->amount).",";
 		$sql.= " label='".$this->db->escape($this->label)."',";
 		$sql.= " note='".$this->db->escape($this->note)."',";
-		$sql.= " fk_bank=".$this->fk_bank.",";
-		$sql.= " fk_user_creat=".$this->fk_user_creat.",";
-		$sql.= " fk_user_modif=".$this->fk_user_modif;
+		$sql.= " fk_bank=".((int) $this->fk_bank).",";
+		$sql.= " fk_user_creat=".((int) $this->fk_user_creat).",";
+		$sql.= " fk_user_modif=".((int) $this->fk_user_modif);
 		$sql.= " WHERE rowid=".$this->id;
 
         dol_syslog(get_class($this)."::update", LOG_DEBUG);
@@ -299,7 +293,6 @@ class Localtax extends CommonObject
 		if ($result < 0) return -1;
 		// End call triggers
 
-
 		$sql = "DELETE FROM ".MAIN_DB_PREFIX."localtax";
 		$sql.= " WHERE rowid=".$this->id;
 
@@ -324,6 +317,8 @@ class Localtax extends CommonObject
 	 */
 	public function initAsSpecimen()
 	{
+	    global $user;
+
 		$this->id=0;
 
 		$this->tms='';
@@ -333,9 +328,9 @@ class Localtax extends CommonObject
 		$this->amount='';
 		$this->label='';
 		$this->note='';
-		$this->fk_bank='';
-		$this->fk_user_creat='';
-		$this->fk_user_modif='';
+		$this->fk_bank=0;
+		$this->fk_user_creat=$user->id;
+		$this->fk_user_modif=$user->id;
 	}
 
 
@@ -347,7 +342,6 @@ class Localtax extends CommonObject
      */
     public function solde($year = 0)
     {
-
         $reglee = $this->localtax_sum_reglee($year);
 
         $payee = $this->localtax_sum_payee($year);
@@ -528,7 +522,7 @@ class Localtax extends CommonObject
         $sql.= "'".$this->db->idate($this->datev)."'," . $this->amount;
         if ($this->note)  $sql.=", '".$this->db->escape($this->note)."'";
         if ($this->label) $sql.=", '".$this->db->escape($this->label)."'";
-        $sql.=", '".$user->id."', NULL";
+        $sql.=", ".((int) $user->id).", NULL";
         $sql.= ")";
 
 		dol_syslog(get_class($this)."::addPayment", LOG_DEBUG);
diff --git a/htdocs/compta/salaries/class/paymentsalary.class.php b/htdocs/compta/salaries/class/paymentsalary.class.php
index 40cec40ecad..6f3a9de4492 100644
--- a/htdocs/compta/salaries/class/paymentsalary.class.php
+++ b/htdocs/compta/salaries/class/paymentsalary.class.php
@@ -115,13 +115,9 @@ class PaymentSalary extends CommonObject
         $error=0;
 
         // Clean parameters
-        $this->fk_user=trim($this->fk_user);
         $this->amount=trim($this->amount);
         $this->label=trim($this->label);
         $this->note=trim($this->note);
-        $this->fk_bank=trim($this->fk_bank);
-        $this->fk_user_author=trim($this->fk_user_author);
-        $this->fk_user_modif=trim($this->fk_user_modif);
 
         // Check parameters
         if (empty($this->fk_user) || $this->fk_user < 0)
@@ -140,16 +136,16 @@ class PaymentSalary extends CommonObject
         $sql.= " datep='".$this->db->idate($this->datep)."',";
         $sql.= " datev='".$this->db->idate($this->datev)."',";
         $sql.= " amount=".price2num($this->amount).",";
-        $sql.= " fk_projet='".$this->db->escape($this->fk_project)."',";
+        $sql.= " fk_projet=".((int) $this->fk_project).",";
         $sql.= " fk_typepayment=".$this->fk_typepayment."',";
         $sql.= " num_payment='".$this->db->escape($this->num_payment)."',";
         $sql.= " label='".$this->db->escape($this->label)."',";
         $sql.= " datesp='".$this->db->idate($this->datesp)."',";
         $sql.= " dateep='".$this->db->idate($this->dateep)."',";
         $sql.= " note='".$this->db->escape($this->note)."',";
-        $sql.= " fk_bank=".($this->fk_bank > 0 ? "'".$this->db->escape($this->fk_bank)."'":"null").",";
-        $sql.= " fk_user_author=".$this->fk_user_author.",";
-        $sql.= " fk_user_modif=".$this->fk_user_modif;
+        $sql.= " fk_bank=".($this->fk_bank > 0 ? (int) $this->fk_bank : 'null').",";
+        $sql.= " fk_user_author=".((int) $this->fk_user_author).",";
+        $sql.= " fk_user_modif=".($this->fk_user_modif > 0 ? (int) $this->fk_user_modif : 'null');
 
         $sql.= " WHERE rowid=".$this->id;