PhabricatorHandleQuery.php
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	<?php

	final class PhabricatorHandleQuery
	extends PhabricatorCursorPagedPolicyAwareQuery {

	private $phids;

	public function withPHIDs(array $phids) {
	$this->phids = $phids;
	return $this;
	}

	public function loadPage() {
	$types = PhabricatorPHIDType::getAllTypes();

	$phids = $this->phids;
	if (!$phids) {
	return array();
	}

	$objects = id(new PhabricatorObjectQuery())
	->withPHIDs($phids)
	->setViewer($this->getViewer())
	->execute();

	$groups = array();
	foreach ($phids as $phid) {
	$type = phid_get_type($phid);
	$groups[$type][] = $phid;
	}

	$results = array();
	foreach ($groups as $type => $phid_group) {
	$handles = array();
	foreach ($phid_group as $key => $phid) {
	if (isset($handles[$phid])) {
	unset($phid_group[$key]);
	// The input had a duplicate PHID; just skip it.
	continue;
	}
	$handles[$phid] = id(new PhabricatorObjectHandle())
	->setType($type)
	->setPHID($phid);
	if (isset($objects[$phid])) {
	$handles[$phid]->setComplete(true);
	}
	}

	if (isset($types[$type])) {
	$type_objects = array_select_keys($objects, $phid_group);
	if ($type_objects) {
	$have_object_phids = array_keys($type_objects);
	$types[$type]->loadHandles(
	$this,
	array_select_keys($handles, $have_object_phids),
	$type_objects);
	}
	}

	$results += $handles;
	}

	return $results;
	}

	}