functions.php

编辑主题目录下的functions.php文件，在<?php后增加

include 'agent.php';

agent.php

创建agent.php
文件内容:

<?php
function getOS($agent) {
    $osPatterns = [
        'Windows' => [
            ['pattern' => '/windows/i', 'versions' => [
                ['version' => 'XP', 'match' => '/nt 5.1/i'],
                ['version' => 'Vista', 'match' => '/nt 6.0/i'],
                ['version' => '7', 'match' => '/nt 6.1/i'],
                ['version' => '8', 'match' => '/nt 6.2/i'],
                ['version' => '8.1', 'match' => '/nt 6.3/i'],
                ['version' => '10/11', 'match' => '/nt 10.0/i'],
                ['version' => '', 'match' => '/windows/i'],
            ]],
        ],
        'Android' => [
            ['pattern' => '/android/i', 'versions' => [
                ['version' => 'Nougat', 'match' => '/android 7/i'],
                ['version' => 'Oreo', 'match' => '/android 8/i'],
                ['version' => 'Pie', 'match' => '/android 9/i'],
                ['version' => 'Q', 'match' => '/android 10/i'],
                ['version' => '11', 'match' => '/android 11/i'],
                ['version' => '12', 'match' => '/android 12/i'],
                ['version' => '13', 'match' => '/android 13/i'],
                ['version' => '14', 'match' => '/android 14/i'],
                ['version' => '15', 'match' => '/android 15/i'],
                ['version' => '', 'match' => '/android/i'],
            ]],
        ],
        'Ubuntu' => [
            ['pattern' => '/ubuntu/i', 'versions' => [['version' => '', 'match' => '/ubuntu/i']]],
        ],
        'Linux' => [
            ['pattern' => '/linux/i', 'versions' => [['version' => '', 'match' => '/linux/i']]],
        ],
        'iPhone' => [
            ['pattern' => '/iPhone/i', 'versions' => [['version' => '', 'match' => '/iPhone/i']]],
        ],
        'MacOS' => [
            ['pattern' => '/mac/i', 'versions' => [['version' => '', 'match' => '/mac/i']]],
        ],
        'Unknown' => [
            ['pattern' => '/.*/', 'versions' => [['version' => '', 'match' => '/.*/']]],
        ],
    ];

    foreach ($osPatterns as $osName => $patterns) {
        foreach ($patterns as $patternData) {
            if (preg_match($patternData['pattern'], $agent)) {
                foreach ($patternData['versions'] as $versionData) {
                    if (preg_match($versionData['match'], $agent)) {
                        $os = $osName . ($versionData['version'] ? " {$versionData['version']} · " : " · ");
                        echo $os;
                        return;
                    }
                }
            }
        }
    }
}

function getBrowser($agent) {
    $browserPatterns = [
        'Internet Explorer' => [
            ['pattern' => '/MSIE\s([^\s|;]+)/i'],
        ],
        'FireFox' => [
            ['pattern' => '/FireFox\/([^\s]+)/i'],
        ],
        'MicroSoft Edge' => [
            ['pattern' => '/Edge([\d]*)\/([^\s]+)/i'],
        ],
        'QQ Browser' => [
            ['pattern' => '/QQ/i'],
        ],
        'Wechat' => [
            ['pattern' => '/MicroMessenger/i'],
        ],
        'Opera' => [
            ['pattern' => '/Opera[\s|\/]([^\s]+)/i'],
        ],
        'Google Chrome' => [
            ['pattern' => '/Chrome([\d]*)\/([^\s]+)/i'],
        ],
        'Safari' => [
            ['pattern' => '/safari\/([^\s]+)/i'],
        ],
        'Unknown' => [
            ['pattern' => '/.*/'],
        ],
    ];

    foreach ($browserPatterns as $browserName => $patterns) {
        foreach ($patterns as $patternData) {
            if (preg_match($patternData['pattern'], $agent)) {
                echo $browserName;
                return;
            }
        }
    }
}
?>

comment.php

在/public/comment.php适当的地方(如第123行<time>标签内)插入以下代码以引用用户操作系统及浏览器信息。

<?php getOS($comments->agent); ?><?php getBrowser($comments->agent); ?>