Correcciones de sintaxis

components/DbConnect.php

@@ -14,15 +14,17 @@ class DbConnect
 {
     private $cnx;
 
-    public function __construct($conf) {
+    public function __construct($conf)
+    {
         $this->config = $conf;
     }
 
     /**
      * Establishing connection with database
      * @return PDO Handler for PDO is return.
      */
-    public function connect() {
+    public function connect()
+    {
         try {
             $this->cnx = new PDO(
                 $this->config['dsn'].';charset='.$this->config['dsn'],
@@ -34,15 +36,14 @@ public function connect() {
             $this->cnx->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
 
             return $this->cnx;
-        } catch(PDOException $ex) {
+        } catch (PDOException $ex) {
             // if the environment is development, show error details, otherwise show generic message
-            if ((defined('ENVIRONMENT')) && (ENVIRONMENT == 'development')) {
+            if ((defined('ENVIRONMENT')) && (ENVIRONMENT === 'development')) {
                 echo 'An error occured connecting to the database! Details: ' . $ex->getMessage();
             } else {
                 echo 'An error occured connecting to the database!';
             }
-            exit;
+            die();
         }
     }
 }
-?>

components/DbHandler.php

@@ -43,4 +43,3 @@ public function all($array)
         // Lógica para delete
     }
 }
-

helpers/EchoResponse.php

@@ -57,5 +57,4 @@ public static function response($response, $status_code = 200)
 422 	Unprocessable Entity
 500 	Internal Server Error
 */
-?>
 

v1/index.php

@@ -22,7 +22,6 @@
 use app\components\DbConnect;
 use app\components\DbHandler;
 
-
 /* Usando GET para consultar un usuario */
 $app->get('/user/{id}', function ($request, $response, $args) {
     $user_id = (int)$args['id'];