Stimulate

//1
$array = explode('[marker]', $var);
echo $array[0];
//2
$var = str_replace('[marker]', '', $var);
echo $var;

$countries = [
    'Africa' => [ "Mammuthus columbi",
  "African buffalo",
  "Bongo",
  "Giraffe",
  "Zebra"],
    'Australia' => [ "Australian echidna",
  "Asian buffalo",
  "Camel",
  "Dingo",
  "Kangaroo"],
   
];

foreach ($countries as $country => $cities) {
    echo '<h2>'.$country.'</h2><br/>'.implode(',<br/>', $cities).'.<br/>';
}

$('#addabout').click(function(event) {
    event.preventDefault();
...

$var = '$SHA$7b11fd7c3568e2cf$2e0380db347bbc210bb10c117dbcb7a7fdba831513eec387666571c7a3ca051e';
$var = str_replace('$SHA$', '', $var);
$var_a = explode('$', $var);
$salt = $var_a[0];
$hash = $var_a[1];

echo $salt.'<br/>'.$hash;

$typeArr = array('1','2','3');
$type = $typeArr[array_rand($typeArr)];
echo $type;

$result = mysqli_query($dbc, "SELECT * FROM `table_products`");
if (mysqli_num_rows($result)>0) {
  $row = mysqli_fetch_array($result);

do
{
  echo '
<form action="" method="post" >
  <div class="producs col-md-4">
    <div class="product">
      <img src="'.$row["images"].'" width="100%" alt="">
      <a href="veiw.php?id='.$row["kod_product"].'">'.$row["name_product"].'</a>
      <p>Цена: '.$row["price_roz"].'</p>
      <a class="more" href="veiw.php?id='.$row["kod_product"].'">Подробнее</a>
    </div>
  </div>
</form>
  ';
}
while ($row = mysqli_fetch_array($result)) ;

mysqli_query($db_connect, "INSERT INTO `users` (`name`, `pass`) VALUES ('". $data["login"]."','" . $data["password"] ."')");

$data = array( 
   0 => array(
        'id' => 2,
        'pagetitle' => 'Главная',
        'parent' => 0
    ),
   1 => array(
        'id' => 3,
        'pagetitle' => 'Категория',
        'parent' => 2
    ),
   2 => array(
        'id' => 100,
        'pagetitle' => 'Подкатегори 100',
        'parent' => 5
    ),
    3 => array(
        'id' => 5,
        'pagetitle' => 'Подкатегория 5 ',
        'parent' => 2
    )
);

$categories_array = array();

foreach ($data as $category) {
    if (!in_array($category['id'], $categories_array)) {
        $categories_array[$category['id']] = array();
        $categories_array[$category['id']]['pagetitle'] = $category['pagetitle'];
        $categories_array[$category['id']]['parent'] = $category['parent'];
    }
}

echo '<pre>';
    print_r($categories_array);
echo '</pre>';

$return = null;
while ($return != 1) {
    $return = api_result;
}