T

config.php

@@ -37,13 +37,17 @@ load_env();
 /**
  * Get a PDO connection to the database.
  */
-function get_db_connection(): ?PDO {
+function get_db_connection() {
     static $pdo = null;
     
     if ($pdo !== null) {
         return $pdo;
     }
     
+    if (!class_exists('PDO')) {
+        return null;
+    }
+    
     $url = getenv('DATABASE_URL');
     if (!$url) {
         return null;
@@ -66,9 +70,10 @@ function get_db_connection(): ?PDO {
         $pdo = new PDO($dsn, $user, $pass, [
             PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
             PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_TIMEOUT => 3,
         ]);
         return $pdo;
-    } catch (PDOException $e) {
+    } catch (\Exception $e) {
         error_log("Database connection failed: " . $e->getMessage());
         return null;
     }