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plugins/simplesaml/lib/vendor/symfony/intl/Util/GzipStreamWrapper.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\Intl\Util;
+
+/**
+ * @internal
+ */
+class GzipStreamWrapper
+{
+    /** @var resource|null */
+    public $context;
+
+    /** @var resource */
+    private $handle;
+    private string $path;
+
+    public static function require(string $path): array
+    {
+        if (!\extension_loaded('zlib')) {
+            throw new \LogicException(sprintf('The "zlib" extension is required to load the "%s/%s" map, please enable it in your php.ini file.', basename(\dirname($path)), basename($path)));
+        }
+
+        if (!\function_exists('opcache_is_script_cached') || !@opcache_is_script_cached($path)) {
+            stream_wrapper_unregister('file');
+            stream_wrapper_register('file', self::class);
+        }
+
+        return require $path;
+    }
+
+    public function stream_open(string $path, string $mode): bool
+    {
+        stream_wrapper_restore('file');
+        $this->path = $path;
+
+        return false !== $this->handle = fopen('compress.zlib://'.$path, $mode);
+    }
+
+    public function stream_read(int $count): string|false
+    {
+        return fread($this->handle, $count);
+    }
+
+    public function stream_eof(): bool
+    {
+        return feof($this->handle);
+    }
+
+    public function stream_set_option(int $option, int $arg1, int $arg2): bool
+    {
+        return match ($option) {
+            \STREAM_OPTION_BLOCKING => stream_set_blocking($this->handle, $arg1),
+            \STREAM_OPTION_READ_TIMEOUT => stream_set_timeout($this->handle, $arg1, $arg2),
+            \STREAM_OPTION_WRITE_BUFFER => 0 === stream_set_write_buffer($this->handle, $arg2),
+            default => false,
+        };
+    }
+
+    public function stream_stat(): array|false
+    {
+        if (!$stat = stat($this->path)) {
+            return false;
+        }
+
+        $h = fopen($this->path, 'r');
+        fseek($h, -4, \SEEK_END);
+        $size = unpack('V', fread($h, 4));
+        fclose($h);
+
+        $stat[7] = $stat['size'] = end($size);
+
+        return $stat;
+    }
+}