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   1  <?php
   2  
   3  final class PhabricatorSystemSelectEncodingController
   4    extends PhabricatorController {
   5  
   6    public function shouldRequireLogin() {
   7      return false;
   8    }
   9  
  10    public function processRequest() {
  11      $request = $this->getRequest();
  12  
  13      if (!function_exists('mb_list_encodings')) {
  14        return $this->newDialog()
  15          ->setTitle(pht('No Encoding Support'))
  16          ->appendParagraph(
  17            pht(
  18              'This system does not have the "mbstring" extension installed, '.
  19              'so character encodings are not supported. Install "mbstring" to '.
  20              'enable support.'))
  21          ->addCancelButton('/');
  22      }
  23  
  24      if ($request->isFormPost()) {
  25        $result = array('encoding' => $request->getStr('encoding'));
  26        return id(new AphrontAjaxResponse())->setContent($result);
  27      }
  28  
  29      $encodings = mb_list_encodings();
  30      $encodings = array_fuse($encodings);
  31      asort($encodings);
  32      unset($encodings['pass']);
  33      unset($encodings['auto']);
  34  
  35      $encodings = array(
  36        '' => pht('(Use Default)'),
  37      ) + $encodings;
  38  
  39      $form = id(new AphrontFormView())
  40        ->setUser($this->getRequest()->getUser())
  41        ->appendRemarkupInstructions(pht('Choose a text encoding to use.'))
  42        ->appendChild(
  43          id(new AphrontFormSelectControl())
  44            ->setLabel(pht('Encoding'))
  45            ->setName('encoding')
  46            ->setValue($request->getStr('encoding'))
  47            ->setOptions($encodings));
  48  
  49      return $this->newDialog()
  50        ->setTitle(pht('Select Character Encoding'))
  51        ->appendChild($form->buildLayoutView())
  52        ->addSubmitButton(pht('Choose Encoding'))
  53        ->addCancelButton('/');
  54    }
  55  }