first commit

Author: Odilbukh

.idea/.gitignore

@@ -0,0 +1,20 @@
+<?php
+
+class ContentAnalyzer
+{
+    private $fetcher;
+    private $parser;
+
+    public function __construct(ContentFetcherInterface $fetcher, HtmlParserInterface $parser)
+    {
+        $this->fetcher = $fetcher;
+        $this->parser = $parser;
+    }
+
+    public function analyze(string $url): array
+    {
+        $html = $this->fetcher->fetch($url);
+        $tagCounts = $this->parser->parse($html);
+        return $tagCounts;
+    }
+}

.idea/modules.xml

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+<?php
+
+interface ContentFetcherInterface
+{
+    public function fetch(string $url): string;
+}

.idea/php.xml

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+<?php
+
+class CurlContentFetcher implements ContentFetcherInterface
+{
+    public function fetch(string $url): string
+    {
+        $ch = curl_init($url);
+        curl_setopt_array($ch, [
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_FOLLOWLOCATION => true,
+            CURLOPT_MAXREDIRS => 10,
+            CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.50 Safari/537.36 OPR/65.0.3467.16 (Edition beta)',
+        ]);
+
+        $data = curl_exec($ch);
+
+        if ($data === false) {
+            $error = curl_error($ch);
+            curl_close($ch);
+            throw new Exception("cURL Error: $error");
+        }
+
+        curl_close($ch);
+
+        return $data;
+    }
+}

.idea/test.iml

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+<?php
+
+interface HtmlParserInterface
+{
+    public function parse(string $html): array;
+}

app/Analyzers/ContentAnalyzer.php

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+<?php
+
+class SimpleHtmlParser implements HtmlParserInterface
+{
+    public function parse(string $html): array
+    {
+        $tagCounts = [];
+        $pos = 0;
+
+        while (($start = strpos($html, '<', $pos)) !== false) {
+            $end = strpos($html, '>', $start);
+            if ($end === false) {
+                break;
+            }
+
+            $tag = substr($html, $start + 1, $end - $start - 1);
+            $tag = strtolower($tag);
+
+            if (strpos($tag, '/') === 0) {
+                // Закрывающий тег, удалить его из подсчета
+                $tag = substr($tag, 1);
+            } elseif (strpos($tag, ' ') !== false) {
+                // Пометить и удалить атрибуты
+                $tag = substr($tag, 0, strpos($tag, ' '));
+            }
+
+            if (isset($tagCounts[$tag])) {
+                $tagCounts[$tag]++;
+            } else {
+                $tagCounts[$tag] = 1;
+            }
+
+            $pos = $end + 1;
+        }
+
+        return $tagCounts;
+    }
+}

app/Fetchers/ContentFetcherInterface.php

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+<?php
+require_once __DIR__ . '/../app/Fetchers/ContentFetcherInterface.php';
+require_once __DIR__ . '/../app/Fetchers/CurlContentFetcher.php';
+require_once __DIR__ . '/../app/Parsers/HtmlParserInterface.php';
+require_once __DIR__ . '/../app/Parsers/SimpleHtmlParser.php';
+require_once __DIR__ . '/../app/Analyzers/ContentAnalyzer.php';
+
+
+$url = $_GET['url'] ?? '';
+
+try {
+    if (!empty($url)) {
+        $fetcher = new CurlContentFetcher();
+        $parser = new SimpleHtmlParser();
+        $analyzer = new ContentAnalyzer($fetcher, $parser);
+
+        $tagCounts = $analyzer->analyze($url);
+
+        echo json_encode($tagCounts);
+    } else {
+        echo 'Please provide a valid URL';
+    }
+} catch (Exception $e) {
+    echo 'Error: ' . $e->getMessage();
+}
+