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<html lang="zh-CN">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>PHP函数查询</title>
    <style>
        :root {
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            --secondary: #2c3e50;
            --accent: #e74c3c;
            --light: #ecf0f1;
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        .container {
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        h1 {
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        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
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        .card {
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        .problem-section h2 {
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        .problem-section h2 i {
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        .problem-section p {
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        .solution-section {
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        .solution-box {
            background: var(--light);
            border-radius: 10px;
            padding: 20px;
            border-left: 5px solid var(--primary);
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        .solution-box h3 {
            color: var(--secondary);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
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        .solution-box h3 i {
            margin-right: 10px;
            font-size: 1.3rem;
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        .solution-box ul {
            padding-left: 20px;
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        .solution-box li {
            margin-bottom: 10px;
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        .search-box input {
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            font-size: 1rem;
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            transition: all 0.3s;
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        .search-box input:focus {
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        .search-box button {
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            border-radius: 0 50px 50px 0;
            padding: 0 25px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            transition: all 0.3s;
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        .search-box button:hover {
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        .search-options {
            display: flex;
            gap: 15px;
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        .option-btn {
            background: white;
            border: 2px solid var(--primary);
            color: var(--primary);
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            transition: all 0.3s;
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        .result-item:last-child {
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        .result-title {
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            color: var(--secondary);
            margin-bottom: 5px;
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        .result-desc {
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            font-size: 0.9rem;
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            gap: 15px;
            margin-top: 20px;
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            text-decoration: none;
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            transition: all 0.3s;
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        .resource-btn:hover {
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        footer {
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            .search-options {
                width: 100%;
                justify-content: space-between;
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    </style>
</head>
<body>
    <div class="container">
        <header>
            <h1>PHP函数查询器</h1>
            <p class="subtitle">PHP官方文档中查找函数信息</p>
            <div class="local-path">
                当前文档路径: <span id="docPath">./</span>
            </div>
        </header>
        
        <section class="card problem-section">
            <h2><i>🔍</i> 关于 getDataTotal() 的问题</h2>
            <p>您找不到 <code>getDataTotal()</code> 函数的文档，是因为这个函数<strong>不是PHP的内置函数</strong>。</p>
            <p>PHP官方文档中只包含PHP语言本身提供的函数，而 <code>getDataTotal()</code> 很可能是以下情况之一：</p>
        </section>
        
        <section class="solution-section">
            <div class="card solution-box">
                <h3><i>🔍</i> 自定义函数</h3>
                <p>在您的代码中查找此函数的定义：</p>
                <ul>
                    <li>在当前文件中搜索 <code>function getDataTotal</code></li>
                    <li>在包含的文件中搜索</li>
                    <li>检查函数是否通过 <code>include</code> 或 <code>require</code> 引入</li>
                </ul>
            </div>
            
            <div class="card solution-box">
                <h3><i>🛠️</i> 框架/库函数</h3>
                <p>如果您在使用PHP框架或库：</p>
                <ul>
                    <li>检查 Laravel、Symfony、CodeIgniter 等框架文档</li>
                    <li>查看您使用的第三方库的文档</li>
                    <li>在 composer.json 中查看依赖项</li>
                </ul>
            </div>
            
            <div class="card solution-box">
                <h3><i>💡</i> 项目特定函数</h3>
                <p>这个函数可能是：</p>
                <ul>
                    <li>项目团队自己编写的</li>
                    <li>继承自旧代码库</li>
                    <li>在项目的文档或注释中定义</li>
                </ul>
            </div>
        </section>
        
        <section class="card search-section">
            <div class="search-header">
                <h2>查找PHP函数文档</h2>
                <div class="search-options">
                    <button class="option-btn active" onclick="setSearchType('local')">本地文档</button>
                    <button class="option-btn" onclick="setSearchType('online')">在线文档</button>
                </div>
            </div>
            
            <p>使用下面的搜索框查找PHP函数：</p>
            
            <div class="search-box">
                <input type="text" id="phpFunction" placeholder="输入PHP函数名，如: array_map 或 getDataTotal">
                <button onclick="searchPHPFunction()">搜索</button>
            </div>
            
            <div class="results-container" id="resultsContainer">
                <div class="result-item" onclick="openFunction('array_map')">
                    <div class="result-title">array_map</div>
                    <div class="result-desc">为数组的每个元素应用回调函数</div>
                </div>
                <div class="result-item" onclick="openFunction('preg_match')">
                    <div class="result-title">preg_match</div>
                    <div class="result-desc">执行一个正则表达式匹配</div>
                </div>
                <div class="result-item" onclick="openFunction('json_encode')">
                    <div class="result-title">json_encode</div>
                    <div class="result-desc">对变量进行 JSON 编码</div>
                </div>
            </div>
            
            <div class="resources">
                <button class="resource-btn" onclick="openFunction('function.getDataTotal')">尝试查找 getDataTotal</button>
                <button class="resource-btn" onclick="showPopularFunctions()">常用函数</button>
                <button class="resource-btn" onclick="showRecentSearches()">最近搜索</button>
            </div>
        </section>
        
        <footer>
            <p>PHP 本地文档查找器 &copy; 2023 - 专为离线文档优化</p>
        </footer>
    </div>

    <script>
        let searchType = 'local';
        let recentSearches = JSON.parse(localStorage.getItem('phpRecentSearches') || '[]');
        
        // 设置搜索类型
        function setSearchType(type) {
            searchType = type;
            document.querySelectorAll('.option-btn').forEach(btn => {
                btn.classList.remove('active');
            });
            event.target.classList.add('active');
            
            // 更新搜索框提示
            const searchInput = document.getElementById('phpFunction');
            if (type === 'local') {
                searchInput.placeholder = "输入PHP函数名，如: array_map";
                document.getElementById('docPath').textContent = "php-chunked-xhtml/";
            } else {
                searchInput.placeholder = "输入PHP函数名，将打开在线文档";
                document.getElementById('docPath').textContent = "https://www.php.net/manual/zh/";
            }
        }
        
        // 搜索PHP函数
        function searchPHPFunction() {
            const functionName = document.getElementById('phpFunction').value.trim();
            if (!functionName) {
                alert('请输入要搜索的PHP函数名');
                return;
            }
            
            // 添加到最近搜索
            if (!recentSearches.includes(functionName)) {
                recentSearches.unshift(functionName);
                if (recentSearches.length > 5) recentSearches.pop();
                localStorage.setItem('phpRecentSearches', JSON.stringify(recentSearches));
            }
            
            if (searchType === 'local') {
                // 本地文档搜索
                openFunction(functionName);
            } else {
                // 在线文档搜索
                const convertedName = functionName.replace(/_/g, '-');
                window.open(`https://www.php.net/manual/zh/function.${convertedName}.php`, '_blank');
            }
        }
        
        // 打开函数文档
        function openFunction(functionName) {
            const convertedName = functionName.replace(/_/g, '-');
            
            if (searchType === 'local') {
                // 尝试打开本地文档
                // 这里假设您的文档目录结构是标准的PHP文档结构
                const localPath = `function.${convertedName}.html`;
                window.open(localPath, '_blank');
                
                // 如果找不到，显示提示
                setTimeout(() => {
                    // 这是一个简化的检查，实际实现可能需要更复杂的逻辑
                    console.log(`尝试打开本地文档: ${localPath}`);
                }, 100);
            } else {
                // 在线文档
                window.open(`https://www.php.net/manual/zh/function.${convertedName}.php`, '_blank');
            }
        }
        
        // 显示常用函数
        function showPopularFunctions() {
            const popularFunctions = [
                {name: 'array_map', desc: '为数组的每个元素应用回调函数'},
                {name: 'preg_match', desc: '执行一个正则表达式匹配'},
                {name: 'explode', desc: '使用一个字符串分割另一个字符串'},
                {name: 'implode', desc: '将一个一维数组的值转化为字符串'},
                {name: 'file_get_contents', desc: '将整个文件读入一个字符串'},
                {name: 'json_decode', desc: '对 JSON 格式的字符串进行解码'},
                {name: 'json_encode', desc: '对变量进行 JSON 编码'}
            ];
            
            const resultsContainer = document.getElementById('resultsContainer');
            resultsContainer.innerHTML = '';
            
            popularFunctions.forEach(func => {
                const item = document.createElement('div');
                item.className = 'result-item';
                item.innerHTML = `
                    <div class="result-title">${func.name}</div>
                    <div class="result-desc">${func.desc}</div>
                `;
                item.onclick = () => openFunction(func.name);
                resultsContainer.appendChild(item);
            });
            
            resultsContainer.style.display = 'block';
        }
        
        // 显示最近搜索
        function showRecentSearches() {
            const resultsContainer = document.getElementById('resultsContainer');
            resultsContainer.innerHTML = '';
            
            if (recentSearches.length === 0) {
                resultsContainer.innerHTML = '<div class="result-item">暂无搜索记录</div>';
            } else {
                recentSearches.forEach(func => {
                    const item = document.createElement('div');
                    item.className = 'result-item';
                    item.innerHTML = `
                        <div class="result-title">${func}</div>
                        <div class="result-desc">点击查看文档</div>
                    `;
                    item.onclick = () => openFunction(func);
                    resultsContainer.appendChild(item);
                });
            }
            
            resultsContainer.style.display = 'block';
        }
        
        // 允许按Enter键搜索
        document.getElementById('phpFunction').addEventListener('keypress', function(e) {
            if (e.key === 'Enter') {
                searchPHPFunction();
            }
        });
        
        // 初始化
        document.addEventListener('DOMContentLoaded', function() {
            // 显示一些常用函数
            showPopularFunctions();
        });
    </script>
</body>
</html>