121 lines
2.7 KiB
PHP
121 lines
2.7 KiB
PHP
<?php
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namespace Doctrine\Common\Cache;
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use function is_object;
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use function method_exists;
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use function restore_error_handler;
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use function serialize;
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use function set_error_handler;
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use function sprintf;
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use function time;
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use function var_export;
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/**
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* Php file cache driver.
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*
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* @deprecated Deprecated without replacement in doctrine/cache 1.11. This class will be dropped in 2.0
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*/
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class PhpFileCache extends FileCache
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{
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public const EXTENSION = '.doctrinecache.php';
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/**
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* @var callable
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*
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* This is cached in a local static variable to avoid instantiating a closure each time we need an empty handler
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*/
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private static $emptyErrorHandler;
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/**
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* {@inheritdoc}
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*/
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public function __construct($directory, $extension = self::EXTENSION, $umask = 0002)
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{
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parent::__construct($directory, $extension, $umask);
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self::$emptyErrorHandler = static function () {
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};
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch($id)
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{
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$value = $this->includeFileForId($id);
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if ($value === null) {
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return false;
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}
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if ($value['lifetime'] !== 0 && $value['lifetime'] < time()) {
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return false;
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}
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return $value['data'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function doContains($id)
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{
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$value = $this->includeFileForId($id);
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if ($value === null) {
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return false;
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}
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return $value['lifetime'] === 0 || $value['lifetime'] > time();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave($id, $data, $lifeTime = 0)
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{
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if ($lifeTime > 0) {
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$lifeTime = time() + $lifeTime;
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}
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$filename = $this->getFilename($id);
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$value = [
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'lifetime' => $lifeTime,
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'data' => $data,
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];
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if (is_object($data) && method_exists($data, '__set_state')) {
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$value = var_export($value, true);
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$code = sprintf('<?php return %s;', $value);
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} else {
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$value = var_export(serialize($value), true);
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$code = sprintf('<?php return unserialize(%s);', $value);
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}
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return $this->writeFile($filename, $code);
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}
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/**
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* @return mixed[]|null
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*/
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private function includeFileForId(string $id): ?array
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{
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$fileName = $this->getFilename($id);
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// note: error suppression is still faster than `file_exists`, `is_file` and `is_readable`
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set_error_handler(self::$emptyErrorHandler);
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$value = include $fileName;
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restore_error_handler();
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if (! isset($value['lifetime'])) {
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return null;
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}
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return $value;
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}
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}
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