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File Content: `MaximumKeyLengthTrait.php`

<?php

declare (strict_types=1);
namespace PleskMonitoring\Laminas\Cache\Psr;

use PleskMonitoring\Laminas\Cache\Psr\SimpleCache\SimpleCacheInvalidArgumentException;
use PleskMonitoring\Laminas\Cache\Storage\Capabilities;
use PleskMonitoring\Laminas\Cache\Storage\StorageInterface;
use function min;
use function preg_match;
use function sprintf;
/**
 * Provides memoizing of maximum key length for a storage adapter.
 *
 * @internal
 */
trait MaximumKeyLengthTrait
{
    /**
     * PCRE runs into a compilation error if the quantifier exceeds this limit
     *
     * @internal
     *
     * @readonly
     * @var positive-int
     */
    public static $pcreMaximumQuantifierLength = 65535;
    /**
     * @var int
     * @psalm-var 0|positive-int
     */
    private $maximumKeyLength;
    private function memoizeMaximumKeyLengthCapability(StorageInterface $storage, Capabilities $capabilities) : void
    {
        $maximumKeyLength = $capabilities->getMaxKeyLength();
        if ($maximumKeyLength === Capabilities::UNLIMITED_KEY_LENGTH) {
            $this->maximumKeyLength = Capabilities::UNLIMITED_KEY_LENGTH;
            return;
        }
        if ($maximumKeyLength === Capabilities::UNKNOWN_KEY_LENGTH) {
            // For backward compatibility, assume adapters which do not provide a maximum key length do support 64 chars
            $maximumKeyLength = 64;
        }
        if ($maximumKeyLength < 64) {
            throw new SimpleCacheInvalidArgumentException(sprintf('The storage adapter "%s" does not fulfill the minimum requirements for PSR-6/PSR-16:' . ' The maximum key length capability must allow at least 64 characters.', $storage::class));
        }
        $this->maximumKeyLength = min($maximumKeyLength, self::$pcreMaximumQuantifierLength - 1);
    }
    private function exceedsMaximumKeyLength(string $key) : bool
    {
        return $this->maximumKeyLength !== Capabilities::UNLIMITED_KEY_LENGTH && preg_match('/^.{' . ($this->maximumKeyLength + 1) . ',}/u', $key);
    }
}

Name	Size	Permission
CacheItemPool	---	0755
SimpleCache	---	0755
MaximumKeyLengthTrait.php	2012 bytes	0644
SerializationTrait.php	1076 bytes	0644

File Content: MaximumKeyLengthTrait.php

File Content: `MaximumKeyLengthTrait.php`