diff --git a/core/lib/Thelia/Core/Template/Loop/Product.php b/core/lib/Thelia/Core/Template/Loop/Product.php
index 80d65a703..b67041fb6 100755
--- a/core/lib/Thelia/Core/Template/Loop/Product.php
+++ b/core/lib/Thelia/Core/Template/Loop/Product.php
@@ -327,11 +327,23 @@ class Product extends BaseLoop
             $search->joinFeatureProd('fa2', Criteria::LEFT_JOIN)->addJoinCondition('fa2', "'fa2.PRODUCT_ID' = 3");
             */
 
-            $x = new Join();
-            $x->addExplicitCondition('product', 'id', null, 'feature_prod', 'PRODUCT_ID', 'fa0', Criteria::EQUAL);
-            $search->addJoinObject(
-                $x
-            );
+            /* pas mieux
+            $x = new Join(ProductTableMap::ID, FeatureProdTableMap::PRODUCT_ID, Criteria::LEFT_JOIN);
+            $x->setRightTableAlias('fa0');
+            $search->addJoinObject($x, 'fa0')->addJoinCondition('fa0', "PRODUCT_ID = ?", 0);
+            */
+
+            foreach($feature_available as $feature => $feature_choice) {
+                foreach($feature_choice['values'] as $feature_av) {
+                    $featureAlias = 'fa_' . $feature . '_' . $feature_av;
+                    $search->joinFeatureProd($featureAlias, Criteria::LEFT_JOIN)
+                        ->addJoinCondition($featureAlias, "`$featureAlias`.FEATURE_ID = ?", $feature, null, \PDO::PARAM_INT)
+                        ->addJoinCondition($featureAlias, "`$featureAlias`.FEATURE_AV_ID = ?", $feature_av, null, \PDO::PARAM_INT);
+                }
+                $bigDealFeatureWhereCondition = str_replace('&', ' AND ', $feature_choice['values']);
+            }
+
+
 
             /*
              * ne marche pas de cette façon :
diff --git a/core/lib/Thelia/Tests/Type/BooleanTypeTest.php b/core/lib/Thelia/Tests/Type/BooleanTypeTest.php
index d91cc6bc9..26a85b31b 100755
--- a/core/lib/Thelia/Tests/Type/BooleanTypeTest.php
+++ b/core/lib/Thelia/Tests/Type/BooleanTypeTest.php
@@ -35,21 +35,23 @@ class BooleanTypeTest extends \PHPUnit_Framework_TestCase
     public function testBooleanType()
     {
         $booleanType = new BooleanType();
-        $this->assertTrue($booleanType->isValid('y'));
+        $this->assertTrue($booleanType->isValid('1'));
         $this->assertTrue($booleanType->isValid('yes'));
         $this->assertTrue($booleanType->isValid('true'));
         $this->assertTrue($booleanType->isValid('no'));
-        $this->assertTrue($booleanType->isValid('n'));
+        $this->assertTrue($booleanType->isValid('off'));
+        $this->assertTrue($booleanType->isValid(1));
         $this->assertTrue($booleanType->isValid('false'));
         $this->assertFalse($booleanType->isValid('foo'));
-        $this->assertFalse($booleanType->isValid(5));
+        $this->assertFalse($booleanType->isValid(2));
     }
 
     public function testFormatBooleanType()
     {
         $booleanType = new BooleanType();
-        $this->assertTrue($booleanType->getFormattedValue('yes'));
-        $this->assertFalse($booleanType->getFormattedValue('no'));
-        $this->assertNull($booleanType->getFormattedValue('foo'));
+        $this->assertTrue($booleanType->getFormattedValue('on'));
+        $this->assertFalse($booleanType->getFormattedValue('0'));
+        $this->assertFalse($booleanType->getFormattedValue(0));
+        $this->assertNull($booleanType->getFormattedValue(3));
     }
 }
diff --git a/core/lib/Thelia/Type/BooleanType.php b/core/lib/Thelia/Type/BooleanType.php
index 0c85d3ba8..e7bbea786 100755
--- a/core/lib/Thelia/Type/BooleanType.php
+++ b/core/lib/Thelia/Type/BooleanType.php
@@ -30,19 +30,6 @@ namespace Thelia\Type;
 
 class BooleanType implements TypeInterface
 {
-    protected $trueValuesArray = array(
-        '1',
-        'true',
-        'yes',
-        'y',
-    );
-    protected $falseValuesArray = array(
-        '0',
-        'false',
-        'no',
-        'n',
-    );
-
     public function getType()
     {
         return 'Boolean type';
@@ -50,11 +37,11 @@ class BooleanType implements TypeInterface
 
     public function isValid($value)
     {
-        return in_array($value, $this->trueValuesArray) || in_array($value, $this->falseValuesArray);
+        return filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE) !== null;
     }
 
     public function getFormattedValue($value)
     {
-        return $this->isValid($value) ? ( in_array($value, $this->trueValuesArray) ) : null;
+        return filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
     }
 }
diff --git a/core/lib/Thelia/Type/IntToCombinedIntsList.php b/core/lib/Thelia/Type/IntToCombinedIntsList.php
index f5ac6b58c..adefb0bb8 100755
--- a/core/lib/Thelia/Type/IntToCombinedIntsList.php
+++ b/core/lib/Thelia/Type/IntToCombinedIntsList.php
@@ -43,8 +43,49 @@ class IntToCombinedIntsList implements TypeInterface
                 return false;
             if(filter_var($parts[0], FILTER_VALIDATE_INT) === false)
                 return false;
-            if(!preg_match('#^([0-9]+([\&\|]{1}[0-9]+)*|\*)$#', $parts[1]))
+
+            /* delete  all spaces and parentheses */
+            $noSpaceString = preg_replace('#[\s]#', '', $parts[1]);
+            $noParentheseString = preg_replace('#[\(\)]#', '', $noSpaceString);
+
+            if(!preg_match('#^([0-9]+([\&\|][0-9]+)*|\*)$#', $noParentheseString))
                 return false;
+
+            /* check parenteses use */
+            $openingParenthesesCount = 0;
+            $closingParenthesesCount = 0;
+
+            for($i=0; $i<strlen($noSpaceString); $i++) {
+                $char = $noSpaceString[$i];
+                if($char == '(') {
+                    /* must be :
+                     * - after a &| or () or at the begining of expression
+                     * - before a number or ()
+                     * must not be :
+                     * - at the end of expression
+                     */
+                    if(($i!=0 && !preg_match('#[\(\)\&\|]#', $noSpaceString[$i-1])) || !isset($noSpaceString[$i+1]) || !preg_match('#[\(\)0-9]#', $noSpaceString[$i+1])) {
+                        return false;
+                    }
+                    $openingParenthesesCount++;
+                } elseif($char == ')') {
+                    /* must be :
+                     * - after a number or ()
+                     * - before a &| or () or at the end of expression
+                     * must not be :
+                     * - at the begining of expression
+                     * - if no ( remain unclose
+                     */
+                    if($i == 0 || !preg_match('#[\(\)0-9]#', $noSpaceString[$i-1]) || (isset($noSpaceString[$i+1]) && !preg_match('#[\(\)\&\|]#', $noSpaceString[$i+1])) || $openingParenthesesCount-$closingParenthesesCount==0) {
+                        return false;
+                    }
+                    $closingParenthesesCount++;
+                }
+            }
+
+            if($openingParenthesesCount != $closingParenthesesCount) {
+                return false;
+            }
         }
 
         return true;
@@ -57,7 +98,17 @@ class IntToCombinedIntsList implements TypeInterface
 
             foreach(explode(',', $values) as $intToCombinedInts) {
                 $parts = explode(':', $intToCombinedInts);
-                $return[$parts[0]] = $parts[1];
+
+                /* delete  all spaces and parentheses */
+                $noParentheseString = preg_replace('#[\s\(\)]#', '', $parts[1]);
+
+                //$return[$parts[0]] = preg_match_all("#^([0-9]+([\&\|][0-9]+)*|\*)$#", $parts[1]);
+                /*array(
+                    "values"        =>  preg_split( "#(&|\|)#", $parts[1]),
+                    "expression"    =>  $parts[0],
+                );*/
+
+                $x = 1;
             }
 
             return $return;
diff --git a/templates/smarty-sample/category.html b/templates/smarty-sample/category.html
index 1335132ea..d95ff1763 100755
--- a/templates/smarty-sample/category.html
+++ b/templates/smarty-sample/category.html
@@ -27,7 +27,7 @@
     is new : #NEW<br />
     weight : #WEIGHT<br />
 {/loop*}
-{loop name="product" type="product" feature_available="15:1|2|3,12:5&8|6,6:*"}
+{loop name="product" type="product" feature_available="1: (1 | 2) , 2: 4"}
     <h3>PRODUCT : #REF / #TITLE</h3>
     price : #PRICE €<br />
     promo price : #PROMO_PRICE €<br />