'<input class="form-check-input" 
    type="radio" name="teklif-durumu" 
    id="inlineRadio11" value="1" ' . $user['musteri_teklifStatu']== 1 ? 'checked' : '' . ' >'

https://datatables.net/forums/discussion/21940/how-to-pass-new-post-parameters-on-ajax-reload

function Tree($parent_id=0)
{
    global $db;
    $query = $db->prepare("SELECT `id`, `name`, `url`, `parent_id`, `sort_order` FROM `category` WHERE `parent_id` = :parent_id ORDER BY `parent_id`, `sort_order`, `name`");
    $query->bindValue(':parent_id', $parent_id, PDO::PARAM_INT);
    $query->execute();
    $data = [];
    if($query->rowCount() > 0)
    {
        while($category = $query->fetch(PDO::FETCH_ASSOC))
        {
            $sub = Tree($category["id"]);
            $data[] = $category["id"];
            if(!empty($sub)){
                $data['sub_category'] = $sub;
            }
        }
        
    }
    return $data;
}

function Single($parent_id=0)
{
    global $db;
    $query = $db->prepare("SELECT `id`, `name`, `url`, `parent_id`, `sort_order` FROM `category` WHERE `parent_id` = :parent_id ORDER BY `parent_id`, `sort_order`, `name`");
    $query->bindValue(':parent_id', $parent_id, PDO::PARAM_INT);
    $query->execute();
    $data = [];
    if($query->rowCount() > 0)
    {
        while($category = $query->fetch(PDO::FETCH_ASSOC))
        {
            $data[] = $category["id"];
            $sub = Single($category["id"]);
            if(!empty($sub)){
                array_push($data, ...$sub);
            }
        }
        
    }
    return $data;
}

// Örnek:
    print_r(Tree(5));
    /*
    Output:
    Array
    (
        [0] => 6
        [sub_category] => Array
            (
                [0] => 15
                [1] => 16
            )
    
        [1] => 7
        [2] => 8
        [3] => 9
    )
    */
    print_r(Single(5));
    
    /*
    Output:
    Array
    (
        [0] => 6
        [1] => 15
        [2] => 16
        [3] => 7
        [4] => 8
        [5] => 9
    )
    */

Kendimce bişeyler yapmaya çalıştım umarım işinize yarar.
https://github.com/makifgokce/unlimited-category

Mysql de şu şekilde kontrol ettirebilirsin

SELECT UNIX_TIMESTAMP(CURRENT_TIMESTAMP())-UNIX_TIMESTAMP("2020-12-03 09:50:00") > 3600 AS sonuc

Aradaki fark 3600 saniyeden(1 saat) fazla ise 1 değilse 0 olacaktır.

header('Content-Type: text/html; charset=utf-8');
setlocale(LC_ALL, 'tr');
$alfabe = array('a', 'b', 'c', 'ç', 'd', 'e', 'f', 'g', 'ğ', 'h', 'ı', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'ö', 'p', 'r', 's', 'ş', 't', 'u', 'ü', 'v', 'y', 'z');
$collator = new Collator('tr_TR');
$collator->sort($alfabe);
var_dump($alfabe);
/*
 array (size=29)
  0 => string 'a' (length=1)
  1 => string 'b' (length=1)
  2 => string 'c' (length=1)
  3 => string 'ç' (length=2)
  4 => string 'd' (length=1)
  5 => string 'e' (length=1)
  6 => string 'f' (length=1)
  7 => string 'g' (length=1)
  8 => string 'ğ' (length=2)
  9 => string 'h' (length=1)
  10 => string 'ı' (length=2)
  11 => string 'i' (length=1)
  12 => string 'j' (length=1)
  13 => string 'k' (length=1)
  14 => string 'l' (length=1)
  15 => string 'm' (length=1)
  16 => string 'n' (length=1)
  17 => string 'o' (length=1)
  18 => string 'ö' (length=2)
  19 => string 'p' (length=1)
  20 => string 'r' (length=1)
  21 => string 's' (length=1)
  22 => string 'ş' (length=2)
  23 => string 't' (length=1)
  24 => string 'u' (length=1)
  25 => string 'ü' (length=2)
  26 => string 'v' (length=1)
  27 => string 'y' (length=1)
  28 => string 'z' (length=1)
 */

$listcats = array();
function Category($cats)
{
	global $listcats;
	foreach($cats as $cat)
	{
		if(isset($cat['title']))
		{
			array_push($listcats, strval($cat['title']));
			if (isset($cat['subCats']))
			{
				Category($cat['subCats']);
			}
		}
		
	}
}

Bu sefer oldu sanki :)

elindeki arrayi

    ```php
        // buraya yazarak
    ```

atarmısın.

Bunu denermisin hata yapmadıysam bu işini görür.

	
$listcats = array();
function Category($cats)
{
	global $listcats;
	foreach($cats as $cat)
	{
		array_push($listcats, $cat['title']);
		if (isset($cat['subCats']))
        {
			Category($cat);
		}
	}
}