Разбил на классы

app/app.php

@@ -0,0 +1,35 @@
+<?php
+namespace App;
+
+use App\Library\SvedenParser;
+use App\Library\Database;
+use GuzzleHttp\Client;
+
+$dbconfig = [
+    "host" => "10.90.1.201",
+    "database" => "opendata",
+    "user" => "niimko_user",
+    "password" => "MOhA17FeboXE"
+];
+
+$client = new Client();
+$response = $client->get('https://marsu.ru/sveden/education/eduChislen.php');
+$html = $response->getBody()->getContents();
+
+$parser = new SvedenParser($html, '//tr[@itemprop="eduChislen"]//');
+$data = $parser->getDataTable();
+
+$db = new Database(
+    "mysql:host={$dbconfig['host']};dbname={$dbconfig['database']}", 
+    $dbconfig['user'],
+    $dbconfig['password']
+);
+
+// print_r($data);
+
+// $db->insert('sveden_table_education', $data);
+$data = $db->select('sveden_education_contingent');
+
+echo "<pre>";
+print_r($data);
+echo "</pre>";