Reformat PHP code via php-cs-fixer

src/ajax.php

@@ -1,14 +1,13 @@
 <?php
 include 'database.php';
 
-if($_POST['id']) {
+if ($_POST['id']) {
     $pdo = connectDatabase();
     $cities = fetchCities($pdo, $_POST['id']);
 
-    foreach($cities as $row){
+    foreach ($cities as $row) {
         echo '"<option value="'.$row[0].'">'.$row[4].'</option>';
     }
     
     closeDatabase($pdo);
 }
-?>