Андрей Буров

$newArr = array();
foreach ($cName as $cat) {
  if (!isset(newArr[$cat['category_parent_id']])) {
    newArr[$cat['category_parent_id']] = array();
  }
  $newArr[$cat['category_parent_id']][] = $cat;
}

//
    $values = ['one', 'two', 'three', 'four', 'five'];
    $keys = ['qq', 'aa', 'zz'];
    $keys_len = count($keys);

    $result = [];
    foreach ($values as $k => $v) {
        $key = $keys[$k % $keys_len];
        if (!isset($result[$key])) {
            $result[$key] = [];
        }
        $result[$key][] = $v;
    }

$links = file('1.txt');
shuffle($links);
header('HTTP/1.1 302 Moved Temporarily');
header('Location: '.$links[0]);

>>> eval('print("hi")');
hi