80 lines
2.5 KiB
PHP
80 lines
2.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\FrameworkBundle\CacheWarmer;
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use Symfony\Component\Cache\Adapter\ArrayAdapter;
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use Symfony\Component\Cache\Adapter\NullAdapter;
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use Symfony\Component\Cache\Adapter\PhpArrayAdapter;
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use Symfony\Component\Config\Resource\ClassExistenceResource;
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use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
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abstract class AbstractPhpFileCacheWarmer implements CacheWarmerInterface
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{
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/**
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* @param string $phpArrayFile The PHP file where metadata are cached
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*/
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public function __construct(
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private string $phpArrayFile,
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) {
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}
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public function isOptional(): bool
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{
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return true;
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}
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public function warmUp(string $cacheDir, ?string $buildDir = null): array
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{
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$arrayAdapter = new ArrayAdapter();
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spl_autoload_register([ClassExistenceResource::class, 'throwOnRequiredClass']);
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try {
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if (!$this->doWarmUp($cacheDir, $arrayAdapter, $buildDir)) {
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return [];
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}
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} finally {
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spl_autoload_unregister([ClassExistenceResource::class, 'throwOnRequiredClass']);
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}
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// the ArrayAdapter stores the values serialized
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// to avoid mutation of the data after it was written to the cache
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// so here we un-serialize the values first
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$values = array_map(fn ($val) => null !== $val ? unserialize($val) : null, $arrayAdapter->getValues());
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return $this->warmUpPhpArrayAdapter(new PhpArrayAdapter($this->phpArrayFile, new NullAdapter()), $values);
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}
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/**
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* @return string[] A list of classes to preload on PHP 7.4+
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*/
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protected function warmUpPhpArrayAdapter(PhpArrayAdapter $phpArrayAdapter, array $values): array
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{
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return (array) $phpArrayAdapter->warmUp($values);
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}
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/**
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* @internal
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*/
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final protected function ignoreAutoloadException(string $class, \Exception $exception): void
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{
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try {
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ClassExistenceResource::throwOnRequiredClass($class, $exception);
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} catch (\ReflectionException) {
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}
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}
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/**
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* @return bool false if there is nothing to warm-up
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*/
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abstract protected function doWarmUp(string $cacheDir, ArrayAdapter $arrayAdapter, ?string $buildDir = null): bool;
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}
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