Zend Framework 2 GyaruMoji Module for demo

Module.php

<?php
namespace GyaruMoji;

class Module
{
  public function getConfig()
  {
    return array(
      'service_manager' => array(
        'factories' => array(
          'gyarumoji' => function ($sm) {
            $view = $sm->get('view_manager')->getView();
            $view->addRenderingStrategy(
              function ($e) {
                $gals = (array) 
                    json_decode(file_get_contents(__DIR__ . '/gal.json'));

                $viewModel = $e->getModel();
                foreach ($viewModel->getVariables() as $key => $text) {

                  $replaced_tags = array();
                  $i = 1;

                  $text = preg_replace_callback("/<[^>]+>/", 
                    function ($matches) use(&$i, &$replaced_tags) {
                        $replaced_tags["[".$i."]"] = $matches[0];
                    return "[" . $i++ . "]";
                  }, $text);
    
                  foreach ($gals as $search => $replace) {
                    if (empty($replace) === false 
                            && strpos($text, $search) !== false) {
                      $text = str_replace($search, 
                                          $replace[array_rand($replace)],
                                          $text);
                    }
                  }
                  $text = str_replace(
                            array_keys($replaced_tags),
                            array_values($replaced_tags),
                            $text);
                  $viewModel->setVariable($key, $text);
                }
              }           
            );
            return $view;
          }
        )
      ),
      'view_manager' => array(
        'strategies' => array(
          'gyarumoji'
        )
      ),
    );
  }
}