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>";

app/library/Database.php

@@ -0,0 +1,64 @@
+<?php
+namespace App\Library;
+
+use PDO;
+use PDOException;
+
+class Database extends PDO
+{
+    public function __construct($dsn, $username, $password)
+    {
+        try {
+            parent::__construct(
+                $dsn, 
+                $username, 
+                $password, 
+                [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]
+            );
+            echo "Подлючено успешно!\n";
+        } catch (PDOException $e) {
+            echo "Ошибка подключения:". $e->getMessage() . "\n";
+        }
+    }
+
+    public function __destruct()
+    {
+        echo "Подключение прервано!\n";
+    }
+    
+    public function insert(string $table, array $data) : void
+    {
+        $stmt = $this->prepare("
+            INSERT INTO sveden_table_education
+                (spec_code, spec_name, edu_forms, edu_level, contingent)
+            VALUES 
+                (:spec_code, :spec_name, :edu_forms, :edu_level, :contingent)"
+        );
+        foreach ($data as $row) {
+            try {
+                $stmt->bindParam(':spec_code', $row['eduCode']);
+                $stmt->bindParam(':spec_name', $row['eduName']);
+                $stmt->bindParam(':edu_forms', $row['edoForms']);
+                $stmt->bindParam(':edu_level', $row['eduLevel']);
+                $stmt->bindParam(':contingent', $row['contingent']);
+
+                $stmt->execute();
+            } catch (PDOException $e) {    
+                echo "Ошибка запроса: " . $e->getMessage() . "\n";    
+            }
+        }
+    }
+
+    public function select(string $table) : array
+    {
+        $stmt = $this->prepare("SELECT * FROM $table");
+        try {
+            $stmt->execute();
+            $array = $stmt->fetchAll(PDO::FETCH_ASSOC);
+        } catch (PDOException $e) {
+            echo "Ошибка запроса: " . $e->getMessage() . "\n";  
+        } finally {
+            return $array;
+        }
+    }
+}

app/library/Size.php

@@ -0,0 +1,27 @@
+<?php
+// Численность обучающихся
+// по разным формам бюджета
+class Size
+{
+    // Всего [обучающихся]
+    private int $all;
+    // Из низ иностранные граждане
+    private int $foreigners;
+    public function __construct() {}
+
+    public function update(
+        int|string $all,
+        int|string $foreigners
+    ): void {
+        $this->all = (int)$all;
+        $this->foreigners = (int)$foreigners;
+    }
+
+    public function getData(): array{
+        return [
+            "Всего" => $this->all,
+            "Из них численность обучающихся, 
+            являющихся иностранными гражданами" => $this->foreigners
+        ];
+    }
+}

app/library/Specialization.php

@@ -0,0 +1,43 @@
+<?php
+namespace App\Library;
+// Специальность, направление подготовки
+class Specialization
+{
+    // Код специальности
+    private string $eduCode;
+    // Название специальности, направления подготовки
+    private string $eduName;
+    //Уровень образования
+    private string $eduLevel;
+    //Формы обучения
+    private  string $eduForm;
+    // Общая численность обучающихся
+    private int $contingent;
+
+    public function __construct() {}
+    
+    public function update(
+        string $eduCode,
+        string $eduName,
+        string $eduLevel,
+        string $eduForm,
+        int $contingent
+    ) : void {
+        $this->eduCode = $eduCode;
+        $this->eduName = $eduName;
+        $this->eduLevel = $eduLevel;
+        $this->eduForm = $eduForm;
+        $this->contingent = $contingent;
+    }
+
+    public function getData() : array
+    {
+        return [
+            "eduCode" => $this->eduCode,
+            "eduName" => $this->eduName,
+            "eduLevel" => $this->eduLevel,
+            "edoForms"=> $this->eduForm,
+            "contingent" => $this->contingent
+        ];
+    }
+}

app/library/SvedenParser.php

@@ -0,0 +1,62 @@
+<?php
+namespace App\Library;
+
+use App\Library\Specialization;
+
+class SvedenParser
+{
+    private \DOMXPath $xpath;
+    private string $template;
+    private const FIELDS = [
+        "eduCode" => "td",
+        "eduName" => "td",
+        "eduLevel" => "td",
+        "eduForm" => "td",
+        "numberBF" => "th",
+        "numberBFF" => "th",
+        "numberBR" => "th",
+        "numberBRF" => "th",
+        "numberBM" => "th",
+        "numberBMF" => "th",
+        "numberP" => "th",
+        "numberPF" => "th",
+        "numberAll" => "th"
+    ];
+
+    public function __construct(string $html, string $template)
+    {
+        libxml_use_internal_errors(true);
+        $dom = new \DOMDocument();
+        $dom->loadHTML($html);
+        $this->xpath = new \DOMXPath($dom);
+        $this->template = $template;
+    }
+
+    private function parse(): array
+    {
+        $data = array();
+        foreach (self::FIELDS as $field => $tag) {
+            $data[$field] = $this->xpath->query($this->template . $tag . "[@itemprop=\"$field\"]");
+        }
+        return $data;
+    }
+
+    public function getDataTable() : array
+    {
+        $data = $this->parse();
+        $spec = new Specialization();
+        $records = array();
+
+        for ($i = 0; $i < $data['numberAll']->length; $i++) { 
+            $spec->update(
+                $data['eduCode']->item($i)->textContent,
+                $data['eduName']->item($i)->textContent,
+                $data['eduLevel']->item($i)->textContent,
+                $data['eduForm']->item($i)->textContent,
+                (int)$data['numberAll']->item($i)->textContent
+            );
+            $records[] = $spec->getData();
+        }
+        return $records;
+    }
+}