<?php

$client  = new SoapClient('https://api.example.com/api/v2_soap?wsdl=1');
$session = $client->login('username', 'password');

$orders = ['100193253', '100193224', '100193291', '100193320'];

$increment_id = '100193224';

/*$params = [
'filter' => [
['key' => 'increment_id', 'value' => '100193253'],
],
];*/

$params = [
  'complex_filter' => [
    [
      'key'   => 'increment_id',
      'value' => [
        'key'   => 'in',
        'value' => implode(',', $orders),
      ],
    ],
    /*[
  'key'   => 'protect_code',
  'value' => [
  'key'   => 'eq',
  'value' => 'ebb2a0',
  ],
  ],*/
  ],
];
// $result = $client->salesOrderList($session, $params);

foreach ($orders as $increment_id) {
  $result = $client->salesOrderInfo($session, $increment_id);
  var_dump($result->increment_id);
  var_dump($result->status_history);
}