Implement dynamic dependent location select boxes

src/database.php

@@ -148,4 +148,20 @@ function findPatient($pdo, $input) {
     return $data;
 }
 
+function fetchCities($pdo, $id){
+    $query = "SELECT * FROM municipios WHERE id_provincia=?";
+    $result = $pdo->prepare($query);
+    $result->execute([$id]);
+    $data = $result->fetchAll();
+    return $data;
+}
+
+function fetchRegions($pdo){
+    $query = "SELECT * FROM provincias";
+    $result = $pdo->prepare($query);
+    $result->execute();
+    $data = $result->fetchAll();
+    return $data;
+}
+
 ?>