<?php
  $defaults = array(
    'preview' => false,
    'testimonials' => true
  );

  $settings = array();

  foreach ($_REQUEST as $key => $value) {
    $settings[$key] = ($value === 'true');
  }

  $config = array_merge($defaults, $settings);

<?php
  $defaults = array(
    'preview' => false,
    'testimonials' => false
  );

  $settings = array();

  foreach ($_REQUEST as $key => $value) {
    $settings[$key] = ($value === 'true');
  }

  $config = array_merge($defaults, $settings);

--- 
+++ 
@@ -1,7 +1,7 @@
 <?php
   $defaults = array(
     'preview' => false,
-    'testimonials' => false
+    'testimonials' => true
   );
 
   $settings = array();
Use testimonials on home page
