Update website

admin/phpMyAdmin/libraries/classes/Server/SysInfo/Linux.php

@@ -1,115 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace PhpMyAdmin\Server\SysInfo;
-
-use function array_combine;
-use function array_merge;
-use function file_get_contents;
-use function intval;
-use function is_array;
-use function is_readable;
-use function mb_strpos;
-use function mb_substr;
-use function preg_match_all;
-use function preg_split;
-
-/**
- * Linux based SysInfo class
- */
-class Linux extends Base
-{
-    /**
-     * The OS name
-     *
-     * @var string
-     */
-    public $os = 'Linux';
-
-    /**
-     * Gets load information
-     *
-     * @return array<string, int> with load data
-     */
-    public function loadavg()
-    {
-        $buf = file_get_contents('/proc/stat');
-        if ($buf === false) {
-            $buf = '';
-        }
-
-        $pos = mb_strpos($buf, "\n");
-        if ($pos === false) {
-            $pos = 0;
-        }
-
-        $nums = preg_split(
-            '/\s+/',
-            mb_substr(
-                $buf,
-                0,
-                $pos
-            )
-        );
-
-        if (! is_array($nums)) {
-            return ['busy' => 0, 'idle' => 0];
-        }
-
-        return [
-            'busy' => (int) $nums[1] + (int) $nums[2] + (int) $nums[3],
-            'idle' => (int) $nums[4],
-        ];
-    }
-
-    /**
-     * Checks whether class is supported in this environment
-     */
-    public function supported(): bool
-    {
-        return @is_readable('/proc/meminfo') && @is_readable('/proc/stat');
-    }
-
-    /**
-     * Gets information about memory usage
-     *
-     * @return array with memory usage data
-     */
-    public function memory()
-    {
-        $content = @file_get_contents('/proc/meminfo');
-        if ($content === false) {
-            return [];
-        }
-
-        preg_match_all(SysInfo::MEMORY_REGEXP, $content, $matches);
-
-        /** @var array<string, int>|false $mem */
-        $mem = array_combine($matches[1], $matches[2]);
-        if ($mem === false) {
-            return [];
-        }
-
-        $defaults = [
-            'MemTotal' => 0,
-            'MemFree' => 0,
-            'Cached' => 0,
-            'Buffers' => 0,
-            'SwapTotal' => 0,
-            'SwapFree' => 0,
-            'SwapCached' => 0,
-        ];
-
-        $mem = array_merge($defaults, $mem);
-
-        foreach ($mem as $idx => $value) {
-            $mem[$idx] = intval($value);
-        }
-
-        $mem['MemUsed'] = $mem['MemTotal'] - $mem['MemFree'] - $mem['Cached'] - $mem['Buffers'];
-        $mem['SwapUsed'] = $mem['SwapTotal'] - $mem['SwapFree'] - $mem['SwapCached'];
-
-        return $mem;
-    }
-}