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Linux 5.14.0-427.33.1.el9_4.x86_64

PHP Version:

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infinio

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/home/infinio/www/moodle/lib/php-di/php-di/src/Definition/Source

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✏️ Editing: SourceCache.php

<?php

declare(strict_types=1);

namespace DI\Definition\Source;

use DI\Definition\AutowireDefinition;
use DI\Definition\Definition;
use DI\Definition\ObjectDefinition;

/**
 * Decorator that caches another definition source.
 *
 * @author Matthieu Napoli <matthieu@mnapoli.fr>
 */
class SourceCache implements DefinitionSource, MutableDefinitionSource
{
    public const CACHE_KEY = 'php-di.definitions.';

public function __construct(
        private DefinitionSource $cachedSource,
        private string $cacheNamespace = '',
    ) {
    }

public function getDefinition(string $name) : Definition|null
    {
        $definition = apcu_fetch($this->getCacheKey($name));

if ($definition === false) {
            $definition = $this->cachedSource->getDefinition($name);

// Update the cache
            if ($this->shouldBeCached($definition)) {
                apcu_store($this->getCacheKey($name), $definition);
            }
        }

return $definition;
    }

/**
     * Used only for the compilation so we can skip the cache safely.
     */
    public function getDefinitions() : array
    {
        return $this->cachedSource->getDefinitions();
    }

public static function isSupported() : bool
    {
        return function_exists('apcu_fetch')
            && ini_get('apc.enabled')
            && ! ('cli' === \PHP_SAPI && ! ini_get('apc.enable_cli'));
    }

public function getCacheKey(string $name) : string
    {
        return self::CACHE_KEY . $this->cacheNamespace . $name;
    }

public function addDefinition(Definition $definition) : void
    {
        throw new \LogicException('You cannot set a definition at runtime on a container that has caching enabled. Doing so would risk caching the definition for the next execution, where it might be different. You can either put your definitions in a file, remove the cache or ->set() a raw value directly (PHP object, string, int, ...) instead of a PHP-DI definition.');
    }

private function shouldBeCached(Definition $definition = null) : bool
    {
        return
            // Cache missing definitions
            ($definition === null)
            // Object definitions are used with `make()`
            || ($definition instanceof ObjectDefinition)
            // Autowired definitions cannot be all compiled and are used with `make()`
            || ($definition instanceof AutowireDefinition);
    }
}

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