testing

DifferentialAuxiliaryField.php
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			<?php

			final class DifferentialAuxiliaryField {

			public static function loadFromStorage(
			DifferentialRevision $revision,
			array $aux_fields) {
			assert_instances_of($aux_fields, 'DifferentialFieldSpecification');

			$storage_keys = array_filter(mpull($aux_fields, 'getStorageKey'));
			$field_data = array();
			if ($storage_keys) {
			$index_map = array();
			foreach ($storage_keys as $key) {
			$index_map[PhabricatorHash::digestForIndex($key)] = $key;
			}

			$index_data = id(new DifferentialCustomFieldStorage())->loadAllWhere(
			'objectPHID = %s AND fieldIndex IN (%Ls)',
			$revision->getPHID(),
			array_keys($index_map));
			$index_data = mpull($index_data, 'getFieldValue', 'getFieldIndex');

			foreach ($index_data as $index => $data) {
			$field_data[$index_map[$index]] = $data;
			}
			}

			foreach ($aux_fields as $aux_field) {
			$aux_field->setRevision($revision);
			$key = $aux_field->getStorageKey();
			if ($key) {
			$aux_field->setValueFromStorage(idx($field_data, $key));
			}
			}

			return $aux_fields;
			}

			}