Add project files

00_vortrags-files/src/Database.php

@@ -0,0 +1,41 @@
+<?php
+namespace App;
+
+class Database
+{
+    private array $config;
+    
+    public function __construct(array $config)
+    {
+        $this->config = $config;
+    }
+    
+    public function testConnection(): bool
+    {
+        try {
+            $dsn = sprintf(
+                'mysql:host=%s;dbname=%s',
+                $this->config['host'],
+                $this->config['name']
+            );
+            
+            $options = [
+                \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
+                \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
+                \PDO::ATTR_TIMEOUT => 5,
+            ];
+            
+            $pdo = new \PDO(
+                $dsn,
+                $this->config['user'],
+                $this->config['pass'],
+                $options
+            );
+            
+            return true;
+        } catch (\PDOException $e) {
+            // In einer realen Anwendung würde hier geloggt werden
+            return false;
+        }
+    }
+}

00_vortrags-files/src/HelloWorld.php

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+<?php
+namespace App;
+
+class HelloWorld
+{
+    public function getMessage(): string
+    {
+        return 'Hallo Welt! Die PHP-Anwendung läuft in Docker.';
+    }
+}