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admin/phpMyAdmin/vendor/symfony/cache/CacheItem.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Cache\Exception\InvalidArgumentException;
+use Symfony\Component\Cache\Exception\LogicException;
+use Symfony\Contracts\Cache\ItemInterface;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+final class CacheItem implements ItemInterface
+{
+    private const METADATA_EXPIRY_OFFSET = 1527506807;
+
+    protected $key;
+    protected $value;
+    protected $isHit = false;
+    protected $expiry;
+    protected $metadata = [];
+    protected $newMetadata = [];
+    protected $innerItem;
+    protected $poolHash;
+    protected $isTaggable = false;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getKey(): string
+    {
+        return $this->key;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return mixed
+     */
+    public function get()
+    {
+        return $this->value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isHit(): bool
+    {
+        return $this->isHit;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return $this
+     */
+    public function set($value): self
+    {
+        $this->value = $value;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return $this
+     */
+    public function expiresAt($expiration): self
+    {
+        if (null === $expiration) {
+            $this->expiry = null;
+        } elseif ($expiration instanceof \DateTimeInterface) {
+            $this->expiry = (float) $expiration->format('U.u');
+        } else {
+            throw new InvalidArgumentException(sprintf('Expiration date must implement DateTimeInterface or be null, "%s" given.', get_debug_type($expiration)));
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return $this
+     */
+    public function expiresAfter($time): self
+    {
+        if (null === $time) {
+            $this->expiry = null;
+        } elseif ($time instanceof \DateInterval) {
+            $this->expiry = microtime(true) + \DateTime::createFromFormat('U', 0)->add($time)->format('U.u');
+        } elseif (\is_int($time)) {
+            $this->expiry = $time + microtime(true);
+        } else {
+            throw new InvalidArgumentException(sprintf('Expiration date must be an integer, a DateInterval or null, "%s" given.', get_debug_type($time)));
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function tag($tags): ItemInterface
+    {
+        if (!$this->isTaggable) {
+            throw new LogicException(sprintf('Cache item "%s" comes from a non tag-aware pool: you cannot tag it.', $this->key));
+        }
+        if (!is_iterable($tags)) {
+            $tags = [$tags];
+        }
+        foreach ($tags as $tag) {
+            if (!\is_string($tag) && !(\is_object($tag) && method_exists($tag, '__toString'))) {
+                throw new InvalidArgumentException(sprintf('Cache tag must be string or object that implements __toString(), "%s" given.', \is_object($tag) ? \get_class($tag) : \gettype($tag)));
+            }
+            $tag = (string) $tag;
+            if (isset($this->newMetadata[self::METADATA_TAGS][$tag])) {
+                continue;
+            }
+            if ('' === $tag) {
+                throw new InvalidArgumentException('Cache tag length must be greater than zero.');
+            }
+            if (false !== strpbrk($tag, self::RESERVED_CHARACTERS)) {
+                throw new InvalidArgumentException(sprintf('Cache tag "%s" contains reserved characters "%s".', $tag, self::RESERVED_CHARACTERS));
+            }
+            $this->newMetadata[self::METADATA_TAGS][$tag] = $tag;
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getMetadata(): array
+    {
+        return $this->metadata;
+    }
+
+    /**
+     * Validates a cache key according to PSR-6.
+     *
+     * @param mixed $key The key to validate
+     *
+     * @throws InvalidArgumentException When $key is not valid
+     */
+    public static function validateKey($key): string
+    {
+        if (!\is_string($key)) {
+            throw new InvalidArgumentException(sprintf('Cache key must be string, "%s" given.', get_debug_type($key)));
+        }
+        if ('' === $key) {
+            throw new InvalidArgumentException('Cache key length must be greater than zero.');
+        }
+        if (false !== strpbrk($key, self::RESERVED_CHARACTERS)) {
+            throw new InvalidArgumentException(sprintf('Cache key "%s" contains reserved characters "%s".', $key, self::RESERVED_CHARACTERS));
+        }
+
+        return $key;
+    }
+
+    /**
+     * Internal logging helper.
+     *
+     * @internal
+     */
+    public static function log(?LoggerInterface $logger, string $message, array $context = [])
+    {
+        if ($logger) {
+            $logger->warning($message, $context);
+        } else {
+            $replace = [];
+            foreach ($context as $k => $v) {
+                if (\is_scalar($v)) {
+                    $replace['{'.$k.'}'] = $v;
+                }
+            }
+            @trigger_error(strtr($message, $replace), \E_USER_WARNING);
+        }
+    }
+}