testing

PhabricatorSearchUsersField.php
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			<?php

			final class PhabricatorSearchUsersField
			extends PhabricatorSearchTokenizerField {

			protected function getDefaultValue() {
			return array();
			}

			protected function newDatasource() {
			// TODO: Make this use PhabricatorPeopleUserFunctionDatasource once field
			// support is a little more powerful.
			return new PhabricatorPeopleDatasource();
			}

			protected function getValueFromRequest(AphrontRequest $request, $key) {
			$list = $this->getListFromRequest($request, $key);
			$allow_types = array();

			$phids = array();
			$names = array();
			$allow_types = array_fuse($allow_types);
			$user_type = PhabricatorPeopleUserPHIDType::TYPECONST;
			foreach ($list as $item) {
			$type = phid_get_type($item);
			if ($type == $user_type) {
			$phids[] = $item;
			} else if (isset($allow_types[$type])) {
			$phids[] = $item;
			} else {
			if (PhabricatorTypeaheadDatasource::isFunctionToken($item)) {
			// If this is a function, pass it through unchanged; we'll evaluate
			// it later.
			$phids[] = $item;
			} else {
			$names[] = $item;
			}
			}
			}

			if ($names) {
			$users = id(new PhabricatorPeopleQuery())
			->setViewer($this->getViewer())
			->withUsernames($names)
			->execute();
			foreach ($users as $user) {
			$phids[] = $user->getPHID();
			}
			$phids = array_unique($phids);
			}

			return $phids;
			}

			}