我正在尝试上传图片到数据库mysql。但我有一个问题，当我试图上传一个图像，图像插入两次。
例如：我有“a.jpg”如果我试图上传它
插入的数据将类似于“a.jpg，a.jpg”
在数据库“a.jpg”中我想要什么
如果我尝试上传多张图片，比如“a.jpg，b.jpg和c.jpg”
插入的数据将类似于“b.jpg，b.jpg，c.jpg，c.jpg”
在数据库“a.jpg，b.jpg，c.jpg”中我想要什么
我试过在谷歌上搜索，但没有结果，有人能帮我解决这个问题吗？谢谢
这是我的密码：

include('koneksi.php');
date_default_timezone_set('Asia/Jakarta');
$id_user = $_POST['id_user'];
$caption = $_POST['caption'];
$files = [];
foreach($_FILES['files']['name'] as $i => $name) {

    $name = $_FILES['files']['name'][$i];
    $size = $_FILES['files']['size'][$i];
    $type = $_FILES['files']['type'][$i];
    $tmp = $_FILES['files']['tmp_name'][$i];

    $explode = explode('.', $name);

    $ext = end($explode);

    $updatdName = $explode[0] . time() .'.'. $ext;
    $path = 'gallery/';
    $path = $path . basename( $updatdName );

    if(empty($_FILES['files']['tmp_name'][$i])) {
        $errors[] = 'Please choose at least 1 file to be uploaded.';
    }else {

        $allowed = array('jpg','JPG','jpeg','JPEG','gif','GIF','bmp','BMP','png','PNG');

        $max_file_size = 1024*1024*2;; // 2MB

        if(in_array($ext, $allowed) === false) {
            $errors[] = 'The file <b>'.$name.'</b> extension is not allowed.';
        }

        if($size > $max_file_size) {
            $errors[] = 'The file <b>'.$name.'</b> size is too hight.';
        }

    }

    if(empty($errors)) {

        // if there is no error then set values
        $files['file_name'][] = $updatdName;
        $files['size'][] = $size;
        $files['type'][] = $type;
        $errors = array();
        if(!file_exists('gallery')) {
            mkdir('gallery', 0777);
        }

        if(move_uploaded_file($tmp, $path)) {
            echo '<script>window.history.back()</script>';
        }else {
            echo 'Something went wrong while uploading 
     <b>'.$name.'</b>';
        }

    }else {
        foreach($errors as $error) {
            echo '<p>'.$error.'<p>';
        }
    }

}

if(!empty($files)) {

    $files['file_name'][] = $updatdName;
    $files['size'][] = $size;
    $files['type'][] = $type;
    $names = implode(',', $files['file_name']);
    $sizes = implode(',', $files['size']);
    $types = implode(',', $files['type']);
    $sql="INSERT into status VALUES(NULL, '$id_user', '$names','$caption','foto',NOW()); ";
    mysqli_query($koneksi, $sql);
}