Erreur Array

if (isset($_POST['envoye'])) 
   {
      if (isset($_FILES['Image']) AND !empty($_FILES['Image']['name'])) 
       {
           $taillemax = 2097152 ;
           $extensionval = array('jpg' , 'jpeg' , 'gif' , 'png') ;
           if ($_FILES['Image']['size'] <= $taillemax) 
           {
               $extensionUpload = strtolower(substr(strrchr($_FILES['Image']['name'], '.'), 1));
                 
               if (in_array($extensionUpload, $extensionval)) 
               {
                   $chemin = "imagesrecette/recette/".$_SESSION['id'].".".$extensionUpload;
                   $resultat = move_uploaded_file($_FILES['Image']['tmp_name'], $chemin) ;
                       
                   if ($resultat) 
                   {
                             $updateavatar = $bdd->prepare('UPDATE recette SET Image = :Image WHERE id = :id ') ;
                             $updateavatar->execute(array(
                             'Image' => $_SESSION['id']. "." .$extensionUpload ,
                             'id' => $_SESSION['id'] 
                              ));
                          
                       if (isset($_POST['titre'],$_POST['type'],$_POST['nbrpers'],$_POST['1ing'],$_POST['contenu']) AND !empty($_POST['titre']) AND !empty($_POST['type']) AND !empty($_POST['nbrpers']) AND !empty($_POST['1ing']) AND !empty($_POST['contenu'])) 
                           {
                     
                                 $titre = htmlspecialchars($_POST['titre']);
                                 $type = htmlspecialchars($_POST['type']);
                                 $nbrpers = htmlspecialchars($_POST['nbrpers']);
                                 $_1ing = htmlspecialchars($_POST['1ing']);
                                 $_2ing = htmlspecialchars($_POST['2ing']);
                                 $_3ing = htmlspecialchars($_POST['3ing']);
                                 $_4ing = htmlspecialchars($_POST['4ing']);
                                 $_5ing = htmlspecialchars($_POST['5ing']);
                                 $_6ing = htmlspecialchars($_POST['6ing']);
                                 $_7ing = htmlspecialchars($_POST['7ing']);
                                 $_8ing = htmlspecialchars($_POST['8ing']);
                                 $_9ing = htmlspecialchars($_POST['9ing']);
                                 $_10ing = htmlspecialchars($_POST['10ing']);
                                 $contenu = htmlspecialchars($_POST['contenu']);
                                 $image = $_FILES['Image'];
                                 $ins = $bdd->prepare("INSERT INTO recette (Image, Titre, Contenu, Nbrpers, 1ing, 2ing, 3ing, 4ing, 5ing, 6ing, 7ing, 8ing, 9ing, 10ing, type, datepub) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW())");
                                 $ins->execute(array($image, $titre, $contenu, $nbrpers, $_1ing, $_2ing, $_3ing, $_4ing, $_5ing, $_6ing, $_7ing, $_8ing, $_9ing, $_10ing, $type));