File: /www/wwwroot/1.scey.cn/wp-content/plugins/wpreplace/index.php
<?php
/**
Plugin Name: WPReplace批量替换插件
Plugin URI: https://www.laojiang.me/5987.html
Description: 实现可视化替换文章内容、标题，评论昵称和评论内容字符。公众号：老蒋朋友圈。
Version: 7.3
Author: 老蒋和他的小伙伴
Author URI: https://www.laojiang.me
*/
// 防止直接访问
if (!defined('ABSPATH')) {
exit;
}
define('WPReplace_INDEXFILE', 'wpreplace/index.php');
define('WPReplace_VERSION', '7.3');
define('WPReplace_PATH', plugin_dir_path(__FILE__));
// 在插件加载时就定义表名
global $wpdb;
define('WPReplace_HISTORY_TABLE', $wpdb->prefix . 'wpreplace_history');
define('WPReplace_BACKUP_TABLE', $wpdb->prefix . 'wpreplace_backup');
class WPReplace {
private static $instance = null;
private $table_history;
private $table_backup;
private $initialized = false;
public static function get_instance() {
if (null === self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
private function __construct() {
try {
$this->table_history = WPReplace_HISTORY_TABLE;
$this->table_backup = WPReplace_BACKUP_TABLE;
// 添加菜单和设置
add_action('admin_menu', array($this, 'add_setting_page'));
add_action('admin_init', array($this, 'admin_init'));
add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($this, 'add_plugin_links'));
// 添加激活钩子
register_activation_hook(__FILE__, array('WPReplace', 'activate_plugin'));
register_deactivation_hook(__FILE__, array('WPReplace', 'deactivate_plugin'));
// 添加管理员通知
add_action('admin_notices', array($this, 'admin_notices'));
$this->initialized = true;
} catch (Exception $e) {
error_log('WPReplace Plugin Initialization Error: ' . $e->getMessage());
}
}
public function is_initialized() {
return $this->initialized;
}
public function admin_init() {
try {
// 注册设置
register_setting('wpreplace_options', 'wpreplace_options');
// 添加样式
wp_enqueue_style('wp-admin');
// 检查并尝试修复数据表
$tables_exist = $this->check_tables_exist();
if (!$tables_exist['all_exist']) {
add_action('admin_notices', function() {
if (!current_user_can('manage_options')) {
return;
}
echo '<div class="notice notice-warning is-dismissible">';
echo '<p>WPReplace插件数据表不完整，请访问设置页面进行修复。</p>';
echo '</div>';
});
}
} catch (Exception $e) {
error_log('WPReplace Plugin Admin Init Error: ' . $e->getMessage());
}
}
public function admin_notices() {
try {
if (!current_user_can('manage_options')) {
return;
}
// 只在插件页面和设置页面显示
$current_screen = get_current_screen();
if (!$current_screen || !in_array($current_screen->id, ['plugins', 'tools_page_wpreplace-settings', 'settings_page_wpreplace-settings'])) {
return;
}
// 检查数据表
$tables_exist = $this->check_tables_exist();
if (!$tables_exist['all_exist']) {
$missing_tables = [];
if (!$tables_exist['history']) $missing_tables[] = '历史记录表';
if (!$tables_exist['backup']) $missing_tables[] = '备份表';
echo '<div class="notice notice-error is-dismissible">';
echo '<p><strong>WPReplace插件提示：</strong> 以下数据表缺失：' . implode('、', $missing_tables) . '</p>';
echo '<p>请尝试以下步骤：</p>';
echo '<ol>';
echo '<li>停用并重新激活插件</li>';
echo '<li>如果问题仍然存在，请点击设置页面中的"手动修复数据表"按钮</li>';
echo '<li>确保数据库用户具有创建表的权限</li>';
echo '</ol>';
echo '</div>';
}
} catch (Exception $e) {
error_log('WPReplace Plugin Admin Notices Error: ' . $e->getMessage());
}
}
public static function activate_plugin() {
global $wpdb;
try {
if (!function_exists('get_plugin_data')) {
require_once(ABSPATH . 'wp-admin/includes/plugin.php');
}
// 基本检查
if (version_compare(PHP_VERSION, '8.0', '<')) {
throw new Exception('此插件需要PHP 8.0或更高版本');
}
if (!$wpdb || !$wpdb->check_connection(false)) {
throw new Exception('无法连接到数据库，请检查数据库配置');
}
// 创建实例并强制创建表
$instance = self::get_instance();
if (!$instance->is_initialized()) {
throw new Exception('插件初始化失败');
}
if (!$instance->force_create_tables()) {
throw new Exception('创建数据表失败，请检查数据库权限');
}
// 更新版本信息
update_option('wpreplace_version', WPReplace_VERSION);
update_option('wpreplace_db_version', WPReplace_VERSION);
} catch (Exception $e) {
error_log('WPReplace Plugin Activation Error: ' . $e->getMessage());
// 停用插件
if (function_exists('deactivate_plugins')) {
deactivate_plugins(plugin_basename(__FILE__));
}
wp_die(
'插件激活失败。<br><br>' .
esc_html($e->getMessage()) . '<br><br>' .
'请检查以下几点：<br>' .
'1. PHP版本是否为8.0或更高<br>' .
'2. 数据库用户是否有创建表的权限<br>' .
'3. 数据库连接是否正常<br>' .
'4. WordPress是否有写入权限<br><br>' .
'<a href="' . admin_url('plugins.php') . '">返回插件页面</a>',
'插件激活错误',
array('back_link' => true)
);
}
}
public static function deactivate_plugin() {
try {
wp_clear_scheduled_hook('wpreplace_cleanup_old_backups');
} catch (Exception $e) {
error_log('WPReplace Plugin Deactivation Error: ' . $e->getMessage());
}
}
/**
* 添加插件设置链接
*/
public function add_plugin_links($links) {
$settings_link = '<a href="' . admin_url('tools.php?page=wpreplace-settings') . '">设置</a>';
array_unshift($links, $settings_link);
return $links;
}
public function add_setting_page() {
// 在工具菜单下添加
add_management_page(
'WPReplace批量替换',
'WPReplace批量替换',
'manage_options',
'wpreplace-settings',
array($this, 'render_setting_page')
);
// 在设置菜单下也添加一个入口
add_options_page(
'WPReplace批量替换',
'WPReplace批量替换',
'manage_options',
'wpreplace-settings',
array($this, 'render_setting_page')
);
}
public function render_setting_page() {
if (!current_user_can('manage_options')) {
wp_die('Insufficient privileges!');
}
// 处理表单提交
if (isset($_POST['submit']) && check_admin_referer('wpreplace_action')) {
$original_content = sanitize_text_field(wp_unslash($_POST['originalContent']));
$new_content = sanitize_text_field(wp_unslash($_POST['newContent']));
$replace_selector = absint($_POST['replaceSelector']);
$is_regex = isset($_POST['useRegex']) && $_POST['useRegex'] == '1';
$result = $this->perform_replace($original_content, $new_content, $replace_selector, $is_regex);
if (is_wp_error($result)) {
echo '<div class="notice notice-error is-dismissible"><p>' . esc_html($result->get_error_message()) . '</p></div>';
} else {
echo '<div class="notice notice-success is-dismissible"><p>成功替换了 ' . intval($result) . ' 处内容。</p></div>';
}
}
// 声明全局变量
global $wpdb;
// 添加手动修复按钮的处理
if (isset($_POST['force_repair_tables']) && check_admin_referer('wpreplace_force_repair')) {
try {
self::activate_plugin();
echo '<div class="notice notice-success"><p>数据表修复完成。</p></div>';
} catch (Exception $e) {
echo '<div class="notice notice-error"><p>修复失败：' . esc_html($e->getMessage()) . '</p></div>';
}
}
// 检查数据表是否存在
$history_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_history . "'") === $this->table_history;
$backup_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_backup . "'") === $this->table_backup;
if (!$history_exists || !$backup_exists) {
echo '<div class="notice notice-error"><p>数据表不存在。请尝试手动修复。</p>';
echo '<form method="post" action="">';
wp_nonce_field('wpreplace_force_repair');
echo '<p><button type="submit" name="force_repair_tables" class="button button-primary">手动修复数据表</button></p>';
echo '</form></div>';
return;
}
// 检查是否需要修复数据表
if (isset($_POST['repair_tables']) && check_admin_referer('wpreplace_repair_tables')) {
$check_result = $this->check_and_repair_tables();
if ($check_result['status']) {
echo '<div class="notice notice-success"><p>数据表检查完成，未发现问题。</p></div>';
} else {
echo '<div class="notice notice-warning"><p>发现以下问题：<br>' .
implode('<br>', $check_result['messages']) . '</p></div>';
}
}
// 检查数据表状态
$check_result = $this->check_and_repair_tables();
if (!$check_result['status']) {
echo '<div class="notice notice-error"><p>数据表存在问题：<br>' .
implode('<br>', $check_result['messages']) .
'</p><form method="post" action="">' .
wp_nonce_field('wpreplace_repair_tables', '_wpnonce', true, false) .
'<p><button type="submit" name="repair_tables" class="button button-primary">尝试修复数据表</button></p>' .
'</form></div>';
}
$message = '';
$message_type = 'success';
// 处理还原操作
if (isset($_GET['action']) && $_GET['action'] === 'restore' && isset($_GET['history_id'])) {
check_admin_referer('restore_history');
$history_id = absint($_GET['history_id']);
$result = $this->restore_from_backup($history_id);
if (is_wp_error($result)) {
$message = '还原失败：' . $result->get_error_message();
$message_type = 'error';
} else {
$message = sprintf('成功还原了 %d 处内容。', $result);
}
}
// 处理删除操作
if (isset($_GET['action']) && $_GET['action'] === 'delete' && isset($_GET['history_id'])) {
check_admin_referer('delete_history');
$history_id = absint($_GET['history_id']);
$result = $this->delete_history($history_id);
if (is_wp_error($result)) {
$message = '删除失败：' . $result->get_error_message();
$message_type = 'error';
} else {
$message = '历史记录已成功删除。';
$message_type = 'success';
}
}
// 显示消息
if ($message) {
printf(
'<div class="notice notice-%s is-dismissible"><p><strong>%s</strong></p></div>',
esc_attr($message_type),
esc_html($message)
);
}
// 尝试获取历史记录
$history_items = [];
try {
$history_items = $wpdb->get_results(
"SELECT * FROM " . $this->table_history . " ORDER BY created_at DESC LIMIT 10"
);
} catch (Exception $e) {
error_log("WPReplace Plugin: Error fetching history - " . $e->getMessage());
}
?>
<div class="wrap">
<h1>WPReplace批量替换插件</h1>
<p>替换内容设置，建议提前备份数据。<a href="https://www.lezaiyun.com/804.html" target="_blank">插件介绍</a>（关注公众号：<span style="color: red;">老蒋朋友圈</span>）</p>
<style>
.wpreplace-card {
background: #fff;
border: 1px solid #ccd0d4;
box-shadow: 0 1px 1px rgba(0,0,0,.04);
margin-top: 20px;
padding: 20px;
width: 100%;
box-sizing: border-box;
}
.wpreplace-card h2.title {
margin-top: 0;
padding: 0 0 15px;
border-bottom: 1px solid #eee;
}
.wpreplace-card .inside {
padding: 10px 0;
}
</style>
<div class="wpreplace-card">
<h2 class="title">执行替换</h2>
<form method="post" action="">
<?php wp_nonce_field('wpreplace_action'); ?>
<table class="form-table" role="presentation">
<tr>
<th scope="row"><label for="originalContent">目标内容</label></th>
<td>
<input type="text" id="originalContent" name="originalContent" class="regular-text"
value="<?php echo isset($_POST['originalContent']) ? esc_attr(wp_unslash($_POST['originalContent'])) : ''; ?>" required />
<p class="description">输入需要替换的目标内容</p>
</td>
</tr>
<tr>
<th scope="row"><label for="newContent">替换内容</label></th>
<td>
<input type="text" id="newContent" name="newContent" class="regular-text"
value="<?php echo isset($_POST['newContent']) ? esc_attr(wp_unslash($_POST['newContent'])) : ''; ?>" />
<p class="description">输入替换后的内容，留空表示删除目标内容</p>
</td>
</tr>
<tr>
<th scope="row"><label for="replaceSelector">选择器</label></th>
<td>
<select name="replaceSelector" id="replaceSelector" class="regular-text">
<option value="1" <?php selected(isset($_POST['replaceSelector']) ? $_POST['replaceSelector'] : '', '1'); ?>>文章内容文字/字符替换</option>
<option value="2" <?php selected(isset($_POST['replaceSelector']) ? $_POST['replaceSelector'] : '', '2'); ?>>文章标题/字符替换</option>
<option value="3" <?php selected(isset($_POST['replaceSelector']) ? $_POST['replaceSelector'] : '', '3'); ?>>评论用户昵称/内容字符替换</option>
<option value="4" <?php selected(isset($_POST['replaceSelector']) ? $_POST['replaceSelector'] : '', '4'); ?>>评论用户邮箱/网址替换</option>
<option value="5" <?php selected(isset($_POST['replaceSelector']) ? $_POST['replaceSelector'] : '', '5'); ?>>文章摘要批量替换</option>
<option value="6" <?php selected(isset($_POST['replaceSelector']) ? $_POST['replaceSelector'] : '', '6'); ?>>标签/TAGS批量替换</option>
<option value="7" <?php selected(isset($_POST['replaceSelector']) ? $_POST['replaceSelector'] : '', '7'); ?>>特色图片URL（附件地址）批量替换</option>
</select>
<p class="description">选择需要执行替换的内容类型</p>
</td>
</tr>
<tr>
<th scope="row">高级选项</th>
<td>
<label for="useRegex">
<input type="checkbox" name="useRegex" id="useRegex" value="1"
<?php checked(isset($_POST['useRegex']) && $_POST['useRegex'] == '1'); ?> />
启用正则表达式模式
</label>
<p class="description">使用正则表达式进行更复杂的匹配和替换</p>
</td>
</tr>
</table>
<p class="submit">
<?php submit_button('预览替换', 'secondary', 'preview', false); ?>
<?php submit_button('执行替换', 'primary', 'submit', false); ?>
</p>
</form>
</div>
<?php if (isset($_POST['preview'])): ?>
<div class="wpreplace-card">
<h2 class="title">替换预览</h2>
<?php
$preview_data = $this->preview_replace(
sanitize_text_field(wp_unslash($_POST['originalContent'])),
sanitize_text_field(wp_unslash($_POST['newContent'])),
absint($_POST['replaceSelector']),
isset($_POST['useRegex']) && $_POST['useRegex'] == '1'
);
if (empty($preview_data)): ?>
<p>没有找到匹配的内容</p>
<?php else: ?>
<table class="widefat">
<thead>
<tr>
<th>ID</th>
<th>原内容</th>
<th>替换后内容</th>
</tr>
</thead>
<tbody>
<?php foreach ($preview_data as $item): ?>
<tr>
<td><?php echo esc_html($item['id']); ?></td>
<td><?php echo esc_html($item['old_content']); ?></td>
<td><?php echo esc_html($item['new_content']); ?></td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
<p class="description">注意：这只显示前10条匹配结果的预览</p>
<?php endif; ?>
</div>
<?php endif; ?>
<div class="wpreplace-card">
<h2 class="title">使用示例</h2>
<div class="inside">
<h3>1. 普通文本替换</h3>
<table class="widefat" style="margin-bottom: 20px;">
<thead>
<tr>
<th>目标内容</th>
<th>替换内容</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>Hello</td>
<td>你好</td>
<td>简单的文本替换，将"Hello"替换为"你好"</td>
</tr>
<tr>
<td>WordPress</td>
<td>WP</td>
<td>将所有"WordPress"替换为"WP"</td>
</tr>
</tbody>
</table>
<h3>2. 正则表达式替换示例</h3>
<p style="color:#666;margin-bottom:10px;">注意：使用正则表达式时需要勾选"启用正则表达式模式"</p>
<table class="widefat">
<thead>
<tr>
<th>目标内容（正则）</th>
<th>替换内容</th>
<th>说明</th>
<th>示例</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>\b\d{11}\b</code></td>
<td>***********</td>
<td>替换11位手机号为星号</td>
<td>13812345678 → ***********</td>
</tr>
<tr>
<td><code>http://[^\s<>"]+</code></td>
<td>https://$0</td>
<td>将http链接转换为https<br>($0表示匹配的完整URL)</td>
<td>http://example.com → https://example.com</td>
</tr>
<tr>
<td><code>\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}\b</code></td>
<td>[邮箱已隐藏]</td>
<td>替换邮箱地址为提示文本</td>
<td>user@example.com → [邮箱已隐藏]</td>
</tr>
<tr>
<td><code>\[([^\]]+)\]\(([^\)]+)\)</code></td>
<td><a href="$2">$1</a></td>
<td>将Markdown链接转换为HTML链接<br>($1是链接文本，$2是URL)</td>
<td>[链接](http://example.com) → <a href="http://example.com">链接</a></td>
</tr>
<tr>
<td><code>(\d+)\.(\d{2})</code></td>
<td>¥$1.$2</td>
<td>为价格添加货币符号<br>($1是整数部分，$2是小数部分)</td>
<td>99.99 → ¥99.99</td>
</tr>
<tr>
<td><code>\b(19|20)\d{2}[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])\b</code></td>
<td>[$0]</td>
<td>为日期添加方括号</td>
<td>2024-03-15 → [2024-03-15]</td>
</tr>
</tbody>
</table>
<h3>3. 正则表达式常用语法说明</h3>
<table class="widefat" style="margin-top: 10px;">
<thead>
<tr>
<th>符号</th>
<th>说明</th>
<th>示例</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>\b</code></td>
<td>单词边界</td>
<td>\bword\b 匹配独立的"word"</td>
</tr>
<tr>
<td><code>\d</code></td>
<td>任意数字</td>
<td>\d{3} 匹配3个数字</td>
</tr>
<tr>
<td><code>[]</code></td>
<td>字符集合</td>
<td>[abc] 匹配a、b或c</td>
</tr>
<tr>
<td><code>+</code></td>
<td>一个或多个</td>
<td>\d+ 匹配1个或多个数字</td>
</tr>
<tr>
<td><code>*</code></td>
<td>零个或多个</td>
<td>\d* 匹配0个或多个数字</td>
</tr>
<tr>
<td><code>{n}</code></td>
<td>精确匹配n次</td>
<td>\d{4} 匹配4个数字</td>
</tr>
<tr>
<td><code>$1,$2...</code></td>
<td>捕获组引用</td>
<td>用于替换内容中引用匹配的组</td>
</tr>
</tbody>
</table>
<h3>4. 使用建议</h3>
<ul style="list-style-type: disc; margin-left: 20px;">
<li>使用正则表达式前，强烈建议先使用"预览替换"功能查看效果</li>
<li>复杂的正则表达式建议先在在线工具（如 regex101.com）中测试</li>
<li>对于重要内容的替换，建议先进行数据库备份</li>
<li>对于批量替换，建议先在小范围内测试效果</li>
<li>使用捕获组($1,$2)时，确保正则表达式中包含相应的括号()</li>
</ul>
</div>
</div>
<div class="wpreplace-card">
<h2 class="title">替换历史</h2>
<?php if (empty($history_items)): ?>
<p>暂无替换历史记录</p>
<?php else: ?>
<table class="widefat">
<thead>
<tr>
<th>时间</th>
<th>替换类型</th>
<th>原内容</th>
<th>新内容</th>
<th>影响数量</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<?php foreach ($history_items as $item): ?>
<tr>
<td><?php echo esc_html($item->created_at); ?></td>
<td><?php echo esc_html($item->replace_type); ?></td>
<td><?php echo esc_html($item->original_content); ?></td>
<td><?php echo esc_html($item->new_content); ?></td>
<td><?php echo esc_html($item->affected_count); ?></td>
<td>
<a href="<?php echo wp_nonce_url(add_query_arg(array(
'action' => 'restore',
'history_id' => $item->id
), admin_url('tools.php?page=wpreplace-settings')), 'restore_history'); ?>"
class="button button-small">还原</a>
<a href="<?php echo wp_nonce_url(add_query_arg(array(
'action' => 'delete',
'history_id' => $item->id
), admin_url('tools.php?page=wpreplace-settings')), 'delete_history'); ?>"
class="button button-small" style="margin-left: 5px; color: #a00;"
onclick="return confirm('确定要删除这条历史记录吗？此操作不可撤销。');">删除</a>
</td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
<?php endif; ?>
</div>
<div class="wpreplace-card">
<h2 class="title">注意事项</h2>
<div class="inside">
<ol>
<li>不熟悉的用户建议备份数据库，确保错误后可以恢复</li>
<li>根据需要替换对象在选择器选择对象</li>
<li>替换操作不可撤销，请谨慎操作</li>
<li>建议先在测试环境中进行替换操作</li>
<li>使用正则表达式时请确保语法正确</li>
</ol>
</div>
</div>
<div class="wpreplace-card">
<h2>数据库状态</h2>
<table class="widefat" style="margin-top: 20px;">
<thead><tr><th>检查项</th><th>状态</th></tr></thead>
<tbody>
<?php
$history_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_history . "'") === $this->table_history;
$backup_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_backup . "'") === $this->table_backup;
echo '<tr>';
echo '<td>历史记录表</td>';
echo '<td>' . ($history_exists ? '<span style="color:green;">✓ 正常</span>' : '<span style="color:red;">✗ 不存在</span>') . '</td>';
echo '</tr>';
echo '<tr>';
echo '<td>备份表</td>';
echo '<td>' . ($backup_exists ? '<span style="color:green;">✓ 正常</span>' : '<span style="color:red;">✗ 不存在</span>') . '</td>';
echo '</tr>';
if ($history_exists && $backup_exists) {
$history_count = $wpdb->get_var("SELECT COUNT(*) FROM {$this->table_history}");
$backup_count = $wpdb->get_var("SELECT COUNT(*) FROM {$this->table_backup}");
echo '<tr>';
echo '<td>历史记录数量</td>';
echo '<td>' . number_format($history_count) . ' 条</td>';
echo '</tr>';
echo '<tr>';
echo '<td>备份记录数量</td>';
echo '<td>' . number_format($backup_count) . ' 条</td>';
echo '</tr>';
}
?>
</tbody>
</table>
</div>
</div>
<p><img width="150" height="150" src="<?php echo plugins_url('/images/wechat.png', __FILE__); ?>" alt="扫码关注公众号" /></p>
<?php
}
private function backup_content($original_content, $new_content, $replace_selector) {
global $wpdb;
$backup_data = array();
try {
switch (intval($replace_selector)) {
case 1: // 文章内容
$posts = $wpdb->get_results($wpdb->prepare(
"SELECT ID, post_content FROM {$wpdb->posts} WHERE post_content LIKE %s",
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($posts as $post) {
$backup_data[] = array(
'table_name' => $wpdb->posts,
'record_id' => $post->ID,
'field_name' => 'post_content',
'old_value' => $post->post_content
);
}
break;
case 2: // 文章标题
$posts = $wpdb->get_results($wpdb->prepare(
"SELECT ID, post_title FROM {$wpdb->posts} WHERE post_title LIKE %s",
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($posts as $post) {
$backup_data[] = array(
'table_name' => $wpdb->posts,
'record_id' => $post->ID,
'field_name' => 'post_title',
'old_value' => $post->post_title
);
}
break;
case 3: // 评论用户昵称和内容
$comments = $wpdb->get_results($wpdb->prepare(
"SELECT comment_ID, comment_author, comment_content FROM {$wpdb->comments} WHERE comment_author LIKE %s OR comment_content LIKE %s",
'%' . $wpdb->esc_like($original_content) . '%',
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($comments as $comment) {
$backup_data[] = array(
'table_name' => $wpdb->comments,
'record_id' => $comment->comment_ID,
'field_name' => 'comment_author',
'old_value' => $comment->comment_author
);
$backup_data[] = array(
'table_name' => $wpdb->comments,
'record_id' => $comment->comment_ID,
'field_name' => 'comment_content',
'old_value' => $comment->comment_content
);
}
break;
case 4: // 评论用户邮箱和网址
$comments = $wpdb->get_results($wpdb->prepare(
"SELECT comment_ID, comment_author_email, comment_author_url FROM {$wpdb->comments} WHERE comment_author_email LIKE %s OR comment_author_url LIKE %s",
'%' . $wpdb->esc_like($original_content) . '%',
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($comments as $comment) {
$backup_data[] = array(
'table_name' => $wpdb->comments,
'record_id' => $comment->comment_ID,
'field_name' => 'comment_author_email',
'old_value' => $comment->comment_author_email
);
$backup_data[] = array(
'table_name' => $wpdb->comments,
'record_id' => $comment->comment_ID,
'field_name' => 'comment_author_url',
'old_value' => $comment->comment_author_url
);
}
break;
case 5: // 文章摘要
$posts = $wpdb->get_results($wpdb->prepare(
"SELECT ID, post_excerpt FROM {$wpdb->posts} WHERE post_excerpt LIKE %s",
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($posts as $post) {
$backup_data[] = array(
'table_name' => $wpdb->posts,
'record_id' => $post->ID,
'field_name' => 'post_excerpt',
'old_value' => $post->post_excerpt
);
}
break;
case 6: // 标签
$terms = $wpdb->get_results($wpdb->prepare(
"SELECT term_id, name FROM {$wpdb->terms} WHERE name LIKE %s",
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($terms as $term) {
$backup_data[] = array(
'table_name' => $wpdb->terms,
'record_id' => $term->term_id,
'field_name' => 'name',
'old_value' => $term->name
);
}
break;
case 7: // 特色图片：附件 guid 与 _wp_attached_file
$attachment_ids = $wpdb->get_col(
"SELECT DISTINCT CAST(meta_value AS UNSIGNED) FROM {$wpdb->postmeta}
WHERE meta_key = '_thumbnail_id' AND meta_value != '' AND meta_value REGEXP '^[0-9]+$'"
);
foreach ($attachment_ids as $aid) {
$aid = absint($aid);
if (!$aid) {
continue;
}
$att = $wpdb->get_row($wpdb->prepare(
"SELECT ID, guid FROM {$wpdb->posts} WHERE ID = %d AND post_type = 'attachment'",
$aid
));
if ($att && $att->guid !== '' && false !== strpos($att->guid, $original_content)) {
$backup_data[] = array(
'table_name' => $wpdb->posts,
'record_id' => $att->ID,
'field_name' => 'guid',
'old_value' => $att->guid
);
}
$file_meta = $wpdb->get_row($wpdb->prepare(
"SELECT meta_id, meta_value FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_wp_attached_file'",
$aid
));
if ($file_meta && $file_meta->meta_value !== '' && false !== strpos($file_meta->meta_value, $original_content)) {
$backup_data[] = array(
'table_name' => $wpdb->postmeta,
'record_id' => $file_meta->meta_id,
'field_name' => 'meta_value',
'old_value' => $file_meta->meta_value
);
}
}
break;
}
return $backup_data;
} catch (Exception $e) {
error_log('WPReplace Plugin - Backup Content Error: ' . $e->getMessage());
return array();
}
}
private function preview_replace($original_content, $new_content, $replace_selector, $is_regex = false) {
global $wpdb;
$preview_data = array();
switch (intval($replace_selector)) {
case 1: // 文章内容
$query = $is_regex
? "SELECT ID, post_content FROM {$wpdb->posts} WHERE post_content REGEXP %s LIMIT 10"
: "SELECT ID, post_content FROM {$wpdb->posts} WHERE post_content LIKE %s LIMIT 10";
$search_term = $is_regex ? $original_content : '%' . $wpdb->esc_like($original_content) . '%';
$posts = $wpdb->get_results($wpdb->prepare($query, $search_term));
foreach ($posts as $post) {
$new_content_preview = $is_regex
? preg_replace("/$original_content/", $new_content, $post->post_content)
: str_replace($original_content, $new_content, $post->post_content);
$preview_data[] = array(
'id' => $post->ID,
'old_content' => $post->post_content,
'new_content' => $new_content_preview
);
}
break;
case 2: // 文章标题
$posts = $wpdb->get_results($wpdb->prepare(
"SELECT ID, post_title FROM {$wpdb->posts} WHERE post_title LIKE %s LIMIT 10",
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($posts as $post) {
$new_content_preview = $is_regex
? preg_replace("/$original_content/", $new_content, $post->post_title)
: str_replace($original_content, $new_content, $post->post_title);
$preview_data[] = array(
'id' => $post->ID,
'old_content' => $post->post_title,
'new_content' => $new_content_preview
);
}
break;
case 3: // 评论用户昵称和内容
$comments = $wpdb->get_results($wpdb->prepare(
"SELECT comment_ID, comment_author, comment_content FROM {$wpdb->comments} WHERE comment_author LIKE %s OR comment_content LIKE %s LIMIT 10",
'%' . $wpdb->esc_like($original_content) . '%',
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($comments as $comment) {
$new_content_preview = $is_regex
? preg_replace("/$original_content/", $new_content, $comment->comment_author)
: str_replace($original_content, $new_content, $comment->comment_author);
$preview_data[] = array(
'id' => $comment->comment_ID,
'old_content' => $comment->comment_author,
'new_content' => $new_content_preview
);
}
break;
case 4: // 评论用户邮箱和网址
$comments = $wpdb->get_results($wpdb->prepare(
"SELECT comment_ID, comment_author_email, comment_author_url FROM {$wpdb->comments} WHERE comment_author_email LIKE %s OR comment_author_url LIKE %s LIMIT 10",
'%' . $wpdb->esc_like($original_content) . '%',
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($comments as $comment) {
$new_content_preview = $is_regex
? preg_replace("/$original_content/", $new_content, $comment->comment_author_email)
: str_replace($original_content, $new_content, $comment->comment_author_email);
$preview_data[] = array(
'id' => $comment->comment_ID,
'old_content' => $comment->comment_author_email,
'new_content' => $new_content_preview
);
}
break;
case 5: // 文章摘要
$posts = $wpdb->get_results($wpdb->prepare(
"SELECT ID, post_excerpt FROM {$wpdb->posts} WHERE post_excerpt LIKE %s LIMIT 10",
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($posts as $post) {
$new_content_preview = $is_regex
? preg_replace("/$original_content/", $new_content, $post->post_excerpt)
: str_replace($original_content, $new_content, $post->post_excerpt);
$preview_data[] = array(
'id' => $post->ID,
'old_content' => $post->post_excerpt,
'new_content' => $new_content_preview
);
}
break;
case 6: // 标签
$terms = $wpdb->get_results($wpdb->prepare(
"SELECT term_id, name FROM {$wpdb->terms} WHERE name LIKE %s LIMIT 10",
'%' . $wpdb->esc_like($original_content) . '%'
));
foreach ($terms as $term) {
$new_content_preview = $is_regex
? preg_replace("/$original_content/", $new_content, $term->name)
: str_replace($original_content, $new_content, $term->name);
$preview_data[] = array(
'id' => $term->term_id,
'old_content' => $term->name,
'new_content' => $new_content_preview
);
}
break;
case 7: // 特色图片附件 URL / 相对路径
$attachment_ids = $wpdb->get_col(
"SELECT DISTINCT CAST(meta_value AS UNSIGNED) FROM {$wpdb->postmeta}
WHERE meta_key = '_thumbnail_id' AND meta_value != '' AND meta_value REGEXP '^[0-9]+$' LIMIT 50"
);
foreach ($attachment_ids as $aid) {
if (count($preview_data) >= 10) {
break;
}
$aid = absint($aid);
if (!$aid) {
continue;
}
$att = $wpdb->get_row($wpdb->prepare(
"SELECT ID, guid FROM {$wpdb->posts} WHERE ID = %d AND post_type = 'attachment'",
$aid
));
if ($att && $att->guid !== '') {
$matched = $is_regex
? (preg_match('/' . $original_content . '/u', $att->guid) === 1)
: (false !== strpos($att->guid, $original_content));
if ($matched) {
$new_guid = $is_regex
? preg_replace('/' . $original_content . '/u', $new_content, $att->guid)
: str_replace($original_content, $new_content, $att->guid);
$preview_data[] = array(
'id' => $att->ID,
'old_content' => '[guid] ' . $att->guid,
'new_content' => '[guid] ' . $new_guid
);
}
}
$file_meta = $wpdb->get_row($wpdb->prepare(
"SELECT meta_id, meta_value FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_wp_attached_file'",
$aid
));
if ($file_meta && $file_meta->meta_value !== '' && count($preview_data) < 10) {
$matched = $is_regex
? (preg_match('/' . $original_content . '/u', $file_meta->meta_value) === 1)
: (false !== strpos($file_meta->meta_value, $original_content));
if ($matched) {
$new_val = $is_regex
? preg_replace('/' . $original_content . '/u', $new_content, $file_meta->meta_value)
: str_replace($original_content, $new_content, $file_meta->meta_value);
$preview_data[] = array(
'id' => $aid,
'old_content' => '[_wp_attached_file] ' . $file_meta->meta_value,
'new_content' => '[_wp_attached_file] ' . $new_val
);
}
}
}
break;
}
return $preview_data;
}
private function perform_replace($original_content, $new_content, $replace_selector, $is_regex = false) {
global $wpdb;
try {
// 开始事务
$wpdb->query('START TRANSACTION');
// 先进行备份
$backup_data = $this->backup_content($original_content, $new_content, $replace_selector);
$affected_count = 0;
switch (intval($replace_selector)) {
case 1: // 文章内容文字/字符替换
if ($is_regex) {
$posts = $wpdb->get_results($wpdb->prepare(
"SELECT ID, post_content FROM {$wpdb->posts} WHERE post_content REGEXP %s",
$original_content
));
foreach ($posts as $post) {
$new_content_value = preg_replace("/{$original_content}/u", $new_content, $post->post_content);
if ($new_content_value !== $post->post_content) {
$wpdb->update(
$wpdb->posts,
array('post_content' => $new_content_value),
array('ID' => $post->ID)
);
$affected_count++;
}
}
} else {
// 使用BINARY关键字确保区分大小写
$affected_count = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->posts} SET post_content = REPLACE(BINARY post_content, BINARY %s, %s)
WHERE BINARY post_content LIKE BINARY %s",
$original_content,
$new_content,
'%' . $wpdb->esc_like($original_content) . '%'
));
}
break;
case 2: // 文章标题/字符替换
$affected_count = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->posts} SET post_title = REPLACE(BINARY post_title, BINARY %s, %s)
WHERE BINARY post_title LIKE BINARY %s",
$original_content,
$new_content,
'%' . $wpdb->esc_like($original_content) . '%'
));
break;
case 3: // 评论用户昵称/内容字符替换
$affected_count = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->comments}
SET comment_author = REPLACE(BINARY comment_author, BINARY %s, %s),
comment_content = REPLACE(BINARY comment_content, BINARY %s, %s)
WHERE BINARY comment_author LIKE BINARY %s OR BINARY comment_content LIKE BINARY %s",
$original_content, $new_content,
$original_content, $new_content,
'%' . $wpdb->esc_like($original_content) . '%',
'%' . $wpdb->esc_like($original_content) . '%'
));
break;
case 4: // 评论用户邮箱和网址替换
$affected_count = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->comments}
SET comment_author_email = REPLACE(BINARY comment_author_email, BINARY %s, %s),
comment_author_url = REPLACE(BINARY comment_author_url, BINARY %s, %s)
WHERE BINARY comment_author_email LIKE BINARY %s OR BINARY comment_author_url LIKE BINARY %s",
$original_content, $new_content,
$original_content, $new_content,
'%' . $wpdb->esc_like($original_content) . '%',
'%' . $wpdb->esc_like($original_content) . '%'
));
break;
case 5: // 文章摘要内容替换
$affected_count = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->posts} SET post_excerpt = REPLACE(BINARY post_excerpt, BINARY %s, %s)
WHERE BINARY post_excerpt LIKE BINARY %s",
$original_content,
$new_content,
'%' . $wpdb->esc_like($original_content) . '%'
));
break;
case 6: // 替换标签
$affected_count = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->terms} SET name = REPLACE(BINARY name, BINARY %s, %s)
WHERE BINARY name LIKE BINARY %s",
$original_content,
$new_content,
'%' . $wpdb->esc_like($original_content) . '%'
));
break;
case 7: // 特色图片：仅处理被用作文章特色图的附件
$attachment_ids = $wpdb->get_col(
"SELECT DISTINCT CAST(meta_value AS UNSIGNED) FROM {$wpdb->postmeta}
WHERE meta_key = '_thumbnail_id' AND meta_value != '' AND meta_value REGEXP '^[0-9]+$'"
);
$attachment_ids = array_values(array_filter(array_map('absint', $attachment_ids)));
if (!empty($attachment_ids)) {
$in_list = implode(',', $attachment_ids);
if ($is_regex) {
$posts = $wpdb->get_results($wpdb->prepare(
"SELECT ID, guid FROM {$wpdb->posts} WHERE post_type = 'attachment' AND ID IN ({$in_list}) AND guid REGEXP %s",
$original_content
));
foreach ($posts as $post) {
$new_guid = preg_replace('/' . $original_content . '/u', $new_content, $post->guid);
if ($new_guid !== $post->guid) {
$wpdb->update($wpdb->posts, array('guid' => $new_guid), array('ID' => $post->ID));
$affected_count++;
}
}
foreach ($attachment_ids as $aid) {
$row = $wpdb->get_row($wpdb->prepare(
"SELECT meta_id, meta_value FROM {$wpdb->postmeta} WHERE post_id = %d AND meta_key = '_wp_attached_file'",
$aid
));
if ($row && $row->meta_value !== '') {
$new_val = preg_replace('/' . $original_content . '/u', $new_content, $row->meta_value);
if ($new_val !== $row->meta_value) {
$wpdb->update(
$wpdb->postmeta,
array('meta_value' => $new_val),
array('meta_id' => $row->meta_id)
);
$affected_count++;
}
}
}
} else {
$n = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->posts} SET guid = REPLACE(BINARY guid, BINARY %s, %s)
WHERE post_type = 'attachment' AND ID IN ({$in_list}) AND BINARY guid LIKE BINARY %s",
$original_content,
$new_content,
'%' . $wpdb->esc_like($original_content) . '%'
));
$affected_count += ($n !== false ? (int) $n : 0);
$n2 = $wpdb->query($wpdb->prepare(
"UPDATE {$wpdb->postmeta} SET meta_value = REPLACE(BINARY meta_value, BINARY %s, %s)
WHERE meta_key = '_wp_attached_file' AND post_id IN ({$in_list}) AND BINARY meta_value LIKE BINARY %s",
$original_content,
$new_content,
'%' . $wpdb->esc_like($original_content) . '%'
));
$affected_count += ($n2 !== false ? (int) $n2 : 0);
}
}
break;
}
// 即使没有影响任何内容，也不要回滚事务
// 保存历史记录
if ($affected_count > 0) {
$history_id = $this->save_history($original_content, $new_content, $replace_selector, $affected_count, $is_regex);
// 保存备份数据
if (!empty($backup_data)) {
$this->save_backup($history_id, $backup_data);
}
}
// 提交事务
$wpdb->query('COMMIT');
// 清理缓存
wp_cache_flush();
return $affected_count;
} catch (Exception $e) {
// 发生错误时回滚事务
$wpdb->query('ROLLBACK');
error_log('WPReplace Plugin - Replace Error: ' . $e->getMessage());
return new WP_Error('replace_error', $e->getMessage());
}
}
private function save_history($original_content, $new_content, $replace_selector, $affected_count, $is_regex = false) {
global $wpdb;
try {
$result = $wpdb->insert(
$this->table_history,
array(
'original_content' => $original_content,
'new_content' => $new_content,
'replace_type' => $this->get_replace_type_name($replace_selector),
'affected_count' => intval($affected_count),
'user_id' => get_current_user_id(),
'is_regex' => $is_regex ? 1 : 0,
'created_at' => current_time('mysql')
),
array('%s', '%s', '%s', '%d', '%d', '%d', '%s')
);
if ($result === false) {
throw new Exception('插入历史记录失败: ' . $wpdb->last_error);
}
return $wpdb->insert_id;
} catch (Exception $e) {
error_log('WPReplace Plugin - Save History Error: ' . $e->getMessage());
return false;
}
}
private function save_backup($history_id, $backup_data) {
global $wpdb;
try {
foreach ($backup_data as $data) {
$result = $wpdb->insert(
$this->table_backup,
array(
'history_id' => $history_id,
'table_name' => $data['table_name'],
'record_id' => $data['record_id'],
'field_name' => $data['field_name'],
'old_value' => $data['old_value'],
'created_at' => current_time('mysql')
),
array('%d', '%s', '%d', '%s', '%s', '%s')
);
if ($result === false) {
throw new Exception('保存备份数据失败: ' . $wpdb->last_error);
}
}
return true;
} catch (Exception $e) {
error_log('WPReplace Plugin - Save Backup Error: ' . $e->getMessage());
return false;
}
}
private function get_replace_type_name($replace_selector) {
$types = array(
1 => '文章内容',
2 => '文章标题',
3 => '评论用户和内容',
4 => '评论邮箱和网址',
5 => '文章摘要',
6 => '标签',
7 => '特色图片URL'
);
return isset($types[$replace_selector]) ? $types[$replace_selector] : '未知';
}
private function restore_from_backup($history_id) {
global $wpdb;
// 开始事务
$wpdb->query('START TRANSACTION');
try {
// 获取备份数据
$backups = $wpdb->get_results($wpdb->prepare(
"SELECT * FROM {$this->table_backup} WHERE history_id = %d",
$history_id
));
if (empty($backups)) {
return new WP_Error('no_backup', '没有找到对应的备份数据');
}
$restored_count = 0;
foreach ($backups as $backup) {
$where = array('ID' => (int) $backup->record_id);
if ($backup->table_name === $wpdb->postmeta) {
$where = array('meta_id' => (int) $backup->record_id);
}
$wpdb->update(
$backup->table_name,
array($backup->field_name => $backup->old_value),
$where
);
$restored_count++;
}
// 提交事务
$wpdb->query('COMMIT');
return $restored_count;
} catch (Exception $e) {
// 发生错误时回滚事务
$wpdb->query('ROLLBACK');
return new WP_Error('restore_error', $e->getMessage());
}
}
// 添加定期清理旧备份的方法
public function cleanup_old_backups() {
global $wpdb;
// 删除30天前的备份和历史记录
$date = date('Y-m-d H:i:s', strtotime('-30 days'));
$wpdb->query($wpdb->prepare(
"DELETE b, h FROM {$this->table_backup} b
JOIN {$this->table_history} h ON b.history_id = h.id
WHERE h.created_at < %s",
$date
));
}
/**
* 检查并尝试修复数据表
* @return array 包含状态和消息的数组
*/
private function check_and_repair_tables() {
global $wpdb;
$results = array(
'status' => true,
'messages' => array()
);
// 检查历史记录表
$history_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_history . "'") === $this->table_history;
// 检查备份表
$backup_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_backup . "'") === $this->table_backup;
if (!$history_exists || !$backup_exists) {
// 尝试重新创建表
self::activate_plugin();
// 再次检查表是否创建成功
$history_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_history . "'") === $this->table_history;
$backup_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_backup . "'") === $this->table_backup;
if (!$history_exists) {
$results['status'] = false;
$results['messages'][] = '历史记录表创建失败，请检查数据库权限。';
}
if (!$backup_exists) {
$results['status'] = false;
$results['messages'][] = '备份表创建失败，请检查数据库权限。';
}
}
// 检查表结构
if ($history_exists) {
$history_columns = $wpdb->get_col("DESCRIBE {$this->table_history}");
$expected_history_columns = array('id', 'original_content', 'new_content', 'replace_type',
'affected_count', 'created_at', 'user_id', 'is_regex');
$missing_columns = array_diff($expected_history_columns, $history_columns);
if (!empty($missing_columns)) {
$results['status'] = false;
$results['messages'][] = '历史记录表结构不完整，缺少以下字段：' . implode(', ', $missing_columns);
}
}
if ($backup_exists) {
$backup_columns = $wpdb->get_col("DESCRIBE {$this->table_backup}");
$expected_backup_columns = array('id', 'history_id', 'table_name', 'record_id',
'field_name', 'old_value', 'created_at');
$missing_columns = array_diff($expected_backup_columns, $backup_columns);
if (!empty($missing_columns)) {
$results['status'] = false;
$results['messages'][] = '备份表结构不完整，缺少以下字段：' . implode(', ', $missing_columns);
}
}
return $results;
}
/**
* 检查数据表是否存在
*/
private function check_tables_exist() {
global $wpdb;
try {
$history_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_history . "'") === $this->table_history;
$backup_exists = $wpdb->get_var("SHOW TABLES LIKE '" . $this->table_backup . "'") === $this->table_backup;
return [
'history' => $history_exists,
'backup' => $backup_exists,
'all_exist' => $history_exists && $backup_exists
];
} catch (Exception $e) {
error_log('WPReplace Plugin - Check Tables Error: ' . $e->getMessage());
return [
'history' => false,
'backup' => false,
'all_exist' => false
];
}
}
/**
* 强制创建数据表
*/
private function force_create_tables() {
global $wpdb;
try {
$wpdb->hide_errors();
$charset_collate = $wpdb->get_charset_collate();
// 删除可能存在的损坏表
$wpdb->query("DROP TABLE IF EXISTS {$this->table_history}");
$wpdb->query("DROP TABLE IF EXISTS {$this->table_backup}");
// 创建历史记录表
$sql1 = "CREATE TABLE {$this->table_history} (
id bigint(20) NOT NULL AUTO_INCREMENT,
original_content text NOT NULL,
new_content text NOT NULL,
replace_type varchar(50) NOT NULL,
affected_count int(11) NOT NULL DEFAULT 0,
created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
user_id bigint(20) NOT NULL,
is_regex tinyint(1) NOT NULL DEFAULT 0,
PRIMARY KEY (id)
) $charset_collate;";
// 创建备份表
$sql2 = "CREATE TABLE {$this->table_backup} (
id bigint(20) NOT NULL AUTO_INCREMENT,
history_id bigint(20) NOT NULL,
table_name varchar(50) NOT NULL,
record_id bigint(20) NOT NULL,
field_name varchar(50) NOT NULL,
old_value text NOT NULL,
created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (id),
KEY history_id (history_id)
) $charset_collate;";
// 记录SQL语句用于调试
error_log('WPReplace Plugin - Creating history table with SQL: ' . $sql1);
error_log('WPReplace Plugin - Creating backup table with SQL: ' . $sql2);
// 执行创建表操作
$result1 = $wpdb->query($sql1);
if ($result1 === false) {
throw new Exception('创建历史记录表失败: ' . $wpdb->last_error);
}
$result2 = $wpdb->query($sql2);
if ($result2 === false) {
throw new Exception('创建备份表失败: ' . $wpdb->last_error);
}
// 验证表是否创建成功
$tables_exist = $this->check_tables_exist();
if (!$tables_exist['all_exist']) {
$missing = [];
if (!$tables_exist['history']) $missing[] = '历史记录表';
if (!$tables_exist['backup']) $missing[] = '备份表';
throw new Exception('表创建后验证失败，缺失: ' . implode(', ', $missing));
}
error_log('WPReplace Plugin - Tables created successfully');
return true;
} catch (Exception $e) {
error_log('WPReplace Plugin - Force Create Tables Error: ' . $e->getMessage());
if ($wpdb->last_error) {
error_log('WPReplace Plugin - MySQL Error: ' . $wpdb->last_error);
}
return false;
}
}
/**
* 删除历史记录及相关备份
*/
private function delete_history($history_id) {
global $wpdb;
try {
// 开始事务
$wpdb->query('START TRANSACTION');
// 删除备份数据
$wpdb->delete(
$this->table_backup,
array('history_id' => $history_id),
array('%d')
);
// 删除历史记录
$wpdb->delete(
$this->table_history,
array('id' => $history_id),
array('%d')
);
// 提交事务
$wpdb->query('COMMIT');
return true;
} catch (Exception $e) {
// 发生错误时回滚事务
$wpdb->query('ROLLBACK');
error_log('WPReplace Plugin - Delete History Error: ' . $e->getMessage());
return new WP_Error('delete_error', $e->getMessage());
}
}
}
// 初始化插件
function wpreplace_init() {
return WPReplace::get_instance();
}
// 在 WordPress 初始化时启动插件
add_action('init', 'wpreplace_init');
?>