Илья С

usort($array, fn($a, $b) => ($a['count'] ?? null) <=> ($b['count'] ?? null));

if (filesize($filePath) === 8_883_232) {
  echo 'true';
} else {
  echo 'false';
}

$array = [];
for ($i = 0; $i < 5; ++$i) {
    do {
        $new_value = random_int(0, 100);
    } while (in_array($new_value, $array));
    $array[] = $new_value;
}

print_r($array);

необходимо передать действие add, секретный ключ и параметры добавляемого пользователя

function so_payment_complete($order_id)
{
    $order = wc_get_order($order_id);
    $user = $order->get_user();

    $data = $order->get_data();
    $name = $data['billing']['first_name'];
    $phone = $data['billing']['phone'];
    $email = $data['billing']['email'];

    $params = [
        'name' => $name,
        'phone' => $phone,
        'email' => $email,
        'group_name' => [
            'group'
        ]
    ];

    $key = "uAjAactnIFjpyQ71czuzWrKgfXyLdSGqJ9DZYvL0lFsxcdiDv3YVZlHQZ1ZyRpJKyFrOEv9z62VgBBHgCg0Rwo63PWIQuTM5RSxdxjV5bB1Ukptz3h0i9jVA2Cso1L9O";

    $postdata = [
        'action' => 'add',
        'key' => $key,
        'params' => $params,
    ];

    $curl = curl_init('https://nolimitst.getcourse.ru/pl/api/users/');
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Linux; Android 7.0; SM-G930V Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.125 Mobile Safari/537.36');

    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $postdata);

    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

    curl_exec($curl);
}

SELECT orders.*
FROM orders
LEFT JOIN (
    SELECT entity_id, MAX(created_at) created_at
    FROM logs
    GROUP BY entity_id
) t ON orders.id = t.entity_id
ORDER BY t.created_at DESC