Initial Commit

dependencies/symfony/cache/Traits/FilesystemTrait.php

@@ -0,0 +1,106 @@
+<?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 WP_Ultimo\Dependencies\Symfony\Component\Cache\Traits;
+
+use WP_Ultimo\Dependencies\Symfony\Component\Cache\Exception\CacheException;
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ * @author Rob Frawley 2nd <rmf@src.run>
+ *
+ * @internal
+ */
+trait FilesystemTrait
+{
+    use FilesystemCommonTrait;
+    private $marshaller;
+    /**
+     * @return bool
+     */
+    public function prune()
+    {
+        $time = \time();
+        $pruned = \true;
+        foreach ($this->scanHashDir($this->directory) as $file) {
+            if (!($h = @\fopen($file, 'r'))) {
+                continue;
+            }
+            if (($expiresAt = (int) \fgets($h)) && $time >= $expiresAt) {
+                \fclose($h);
+                $pruned = (@\unlink($file) || !\file_exists($file)) && $pruned;
+            } else {
+                \fclose($h);
+            }
+        }
+        return $pruned;
+    }
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch(array $ids)
+    {
+        $values = [];
+        $now = \time();
+        foreach ($ids as $id) {
+            $file = $this->getFile($id);
+            if (!\is_file($file) || !($h = @\fopen($file, 'r'))) {
+                continue;
+            }
+            if (($expiresAt = (int) \fgets($h)) && $now >= $expiresAt) {
+                \fclose($h);
+                @\unlink($file);
+            } else {
+                $i = \rawurldecode(\rtrim(\fgets($h)));
+                $value = \stream_get_contents($h);
+                \fclose($h);
+                if ($i === $id) {
+                    $values[$id] = $this->marshaller->unmarshall($value);
+                }
+            }
+        }
+        return $values;
+    }
+    /**
+     * {@inheritdoc}
+     */
+    protected function doHave(string $id)
+    {
+        $file = $this->getFile($id);
+        return \is_file($file) && (@\filemtime($file) > \time() || $this->doFetch([$id]));
+    }
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave(array $values, int $lifetime)
+    {
+        $expiresAt = $lifetime ? \time() + $lifetime : 0;
+        $values = $this->marshaller->marshall($values, $failed);
+        foreach ($values as $id => $value) {
+            if (!$this->write($this->getFile($id, \true), $expiresAt . "\n" . \rawurlencode($id) . "\n" . $value, $expiresAt)) {
+                $failed[] = $id;
+            }
+        }
+        if ($failed && !\is_writable($this->directory)) {
+            throw new CacheException(\sprintf('Cache directory is not writable (%s).', $this->directory));
+        }
+        return $failed;
+    }
+    private function getFileKey(string $file) : string
+    {
+        if (!($h = @\fopen($file, 'r'))) {
+            return '';
+        }
+        \fgets($h);
+        // expiry
+        $encodedKey = \fgets($h);
+        \fclose($h);
+        return \rawurldecode(\rtrim($encodedKey));
+    }
+}