PhabricatorSystemSelectEncodingController.php
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	<?php

	final class PhabricatorSystemSelectEncodingController
	extends PhabricatorController {

	public function shouldRequireLogin() {
	return false;
	}

	public function processRequest() {
	$request = $this->getRequest();

	if (!function_exists('mb_list_encodings')) {
	return $this->newDialog()
	->setTitle(pht('No Encoding Support'))
	->appendParagraph(
	pht(
	'This system does not have the "%s" extension installed, '.
	'so character encodings are not supported. Install "%s" to '.
	'enable support.',
	'mbstring',
	'mbstring'))
	->addCancelButton('/');
	}

	if ($request->isFormPost()) {
	$result = array('encoding' => $request->getStr('encoding'));
	return id(new AphrontAjaxResponse())->setContent($result);
	}

	$encodings = mb_list_encodings();
	$encodings = array_fuse($encodings);
	asort($encodings);
	unset($encodings['pass']);
	unset($encodings['auto']);

	$encodings = array(
	'' => pht('(Use Default)'),
	) + $encodings;

	$form = id(new AphrontFormView())
	->setUser($this->getRequest()->getUser())
	->appendRemarkupInstructions(pht('Choose a text encoding to use.'))
	->appendChild(
	id(new AphrontFormSelectControl())
	->setLabel(pht('Encoding'))
	->setName('encoding')
	->setValue($request->getStr('encoding'))
	->setOptions($encodings));

	return $this->newDialog()
	->setTitle(pht('Select Character Encoding'))
	->appendChild($form->buildLayoutView())
	->addSubmitButton(pht('Choose Encoding'))
	->addCancelButton('/');
	}
	}