Extract the number of certain PHP elements

[irl]

<?php foreach ($orders as $order) { ?>
    <?php echo $order['order_type']; ?>
<?php } ?>

Delete: 2 2 2 2 2 2 2 3 2 2

Explain how to remove and calculate the ring of certain elements in the mass

We need to look at this:

Elements with number 2: 7

Elements with number 3: 3

[shizuka]

As an option, can be this way ( https://www.php.net/manual/ru/function.array-column.php + https://www.php.net/manual/ru/function.array-count-values.php

foreach(array_count_values(array_column($orders, 'order_type')) as $k => $v) {
    echo 'Элементы с номером ', $k, ': ', $v, PHP_EOL;
}