Вот ребята, совершилось чудо.
Спустя 4 дня, я наконец-то смог понять, как это сделать.
C одним циклом.
$users = [
['name' => 'Mark', 'age' => 19, "weight" => 69],
['name' => 'John', 'age' => 27, "weight" => 78],
['name' => 'Sam', 'age' => 44, "weight" => 66],
['name' => 'Ethan','age' => 23, "weight" => 88]
];
foreach($users as ['name' => $name, 'age' => $age, 'weight' => $weight]){
echo "<div class='xopa'> name:{$name} age:{$age} weight:{$weight} </div>";
}
С вложенным циклом:
foreach($users as $items){
echo "<br>";
foreach($items as $index => $value){
echo "<div class='xopa'> {$index}:{$value} </div>";
}}