QUERY FAILED .You have an error in your SQL syntax; check the manual that corres

<?php


        if(isset($_POST['create_post'])){

            $post_title       = escape($_POST['title']);
            $post_user        = escape($_POST['post_user']);
            $post_category_id = escape($_POST['post_category']);
            $post_status      = escape($_POST['post_status']);


            $post_image       = escape($_FILES['image']['name']);
            $post_image_temp  = escape($_FILES['image']['tmp_name']);

            $post_tags        = escape($_POST['post_tags']);
            $post_content     = escape($_POST['post_content']);
            $post_date        = escape(date('d-m-y'));
            // $post_comment_count = 4;

            move_uploaded_file($post_image_temp, "../images/$post_image");

            // la fonction qui nous permet d'inserer nos données dans la base de données
            $query = "INSERT INTO posts(post_category_id, post_title, post_user, post_date,post_image,post_content,post_tags,post_status) ";
             
            $query .= "VALUES({$post_category_id},'{$post_title}','{$post_user}',now(),'{$post_image}','{$post_content}','{$post_tags}', '{$post_status}') "; 
                   
            $create_post_query = mysqli_query($connexion, $query);  
                
            comfirmQuery($create_post_query);
      
            $the_post_id = mysqli_insert_id($connexion);
      
      
            echo "<p class='bg-success'>Post Created. <a href='../post.php?p_id={$the_post_id}'>View Post </a> or <a href='posts.php'>Edit More Posts</a></p>";
             
      
            
        
        }
?>