gistfile1.php

<?php

public function set_custom_style($names, $paths)
{
  $paths = (is_string($paths)) ? array($paths) : $paths;
  $names = (is_string($names)) ? array($names) : $names;
  
  // Set as __main__ namespace
  $this->twig->getLoader()->setPaths($paths);
  
  // Add all namespaces for all extensions
  if ($this->extension_manager instanceof \phpbb\extension\manager)
  {
    $names[] = 'all';
    
    foreach ($this->extension_manager->all_enabled() as $ext_namespace => $ext_path)
    {
      // namespaces cannot contain /
      $namespace = str_replace('/', '_', $ext_namespace);
      $paths = array();
      
      foreach ($names as $style_datas)
      {
        if (!isset($style_datas['ext_path']))
        {
          $ext_style_path = $ext_path . 'styles/' . $style_datas['name'] . '/';
          $ext_style_template_path = $ext_style_path . 'template/';
        }
        else
        {
          $ext_style_template_path = $ext_path .  $style_datas['ext_path'];
          $ext_style_path = parent_dir($ext_style_template_path);
        }
        
        if (is_dir($ext_style_template_path))
        {
          // Add the base style directory as a safe directory
          $this->twig->getLoader()->addSafeDirectory($ext_style_path);
          
          $paths[] = $ext_style_template_path;
        }
      }
      
      $this->twig->getLoader()->setPaths($paths, $namespace);
    }
  }
  
  return $this;
}