晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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<?php declare(strict_types=1);
/*
* This file is part of sebastian/global-state.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\GlobalState;
use function array_diff;
use function array_key_exists;
use function array_keys;
use function array_merge;
use function in_array;
use function is_array;
use ReflectionClass;
use ReflectionProperty;
final class Restorer
{
public function restoreGlobalVariables(Snapshot $snapshot): void
{
$superGlobalArrays = $snapshot->superGlobalArrays();
foreach ($superGlobalArrays as $superGlobalArray) {
$this->restoreSuperGlobalArray($snapshot, $superGlobalArray);
}
$globalVariables = $snapshot->globalVariables();
foreach (array_keys($GLOBALS) as $key) {
if ($key !== 'GLOBALS' &&
!in_array($key, $superGlobalArrays, true) &&
!$snapshot->excludeList()->isGlobalVariableExcluded($key)) {
if (array_key_exists($key, $globalVariables)) {
$GLOBALS[$key] = $globalVariables[$key];
} else {
unset($GLOBALS[$key]);
}
}
}
}
public function restoreStaticProperties(Snapshot $snapshot): void
{
$current = new Snapshot($snapshot->excludeList(), false, false, false, false, true, false, false, false, false);
$newClasses = array_diff($current->classes(), $snapshot->classes());
unset($current);
foreach ($snapshot->staticProperties() as $className => $staticProperties) {
foreach ($staticProperties as $name => $value) {
$reflector = new ReflectionProperty($className, $name);
$reflector->setValue(null, $value);
}
}
foreach ($newClasses as $className) {
$class = new ReflectionClass($className);
$defaults = $class->getDefaultProperties();
foreach ($class->getProperties() as $property) {
if (!$property->isStatic()) {
continue;
}
$name = $property->getName();
if ($snapshot->excludeList()->isStaticPropertyExcluded($className, $name)) {
continue;
}
if (!isset($defaults[$name])) {
continue;
}
$property->setValue(null, $defaults[$name]);
}
}
}
private function restoreSuperGlobalArray(Snapshot $snapshot, string $superGlobalArray): void
{
$superGlobalVariables = $snapshot->superGlobalVariables();
if (isset($GLOBALS[$superGlobalArray], $superGlobalVariables[$superGlobalArray]) &&
is_array($GLOBALS[$superGlobalArray])) {
$keys = array_keys(
array_merge(
$GLOBALS[$superGlobalArray],
$superGlobalVariables[$superGlobalArray],
),
);
foreach ($keys as $key) {
if (isset($superGlobalVariables[$superGlobalArray][$key])) {
$GLOBALS[$superGlobalArray][$key] = $superGlobalVariables[$superGlobalArray][$key];
} else {
unset($GLOBALS[$superGlobalArray][$key]);
}
}
}
}
}