user_add.php

<?php
    require "db.php";
    require "functions.php";

        $roles = getRoles($sql); 

    if(isset($_POST["add"])) {
        $is_active = 0;
        if(isset($_POST["is_active"])) {
            $is_active = 1;
        }
   

    $avatar = $_FILES["avatar"]["name"];
    move_uploaded_file($_FILES["avatar"]["tmp_name"], "uploads/" . $avatar);

    addUser($sql, $_POST["name"],  $_POST["email"],  $_POST["role_id"], $is_active, $avatar);
    header("location: index.php");
    exit;
    }

    require "header.php";
?>

<h1> Add user </h1>
    <form method="post" enctype="multipart/form-data">
        <input type="text" name="name" placeholder="Users Name">
        <input type="email" name="email" placeholder="Users email">
        <select name="role_id">
            <option value="">Select Role</option>
            <?php foreach($roles as $role): ?>
                <option value="<?= $role["id"]?>"> <?= $role["name"]?> </option>
            <?php endforeach; ?>
            <label>
        <input type="checkbox" name="is_active" value="1">
                    User is Active
            </label>

        <label> Avatar </label>
        <input type="file" name="avatar">

        <button type="submit" name="add"> ADD </button>
            </form>