' . __('WP_DEBUG', 'wp-china-yes') . '';
}
return '' . __('WP_DEBUG', 'wp-china-yes') . '';
}
/**
* 获取 CPU 使用率
*/
private function get_cpu_usage() {
if (function_exists('sys_getloadavg') && is_callable('sys_getloadavg')) {
$load = sys_getloadavg();
return round($load[0] * 100 / 4, 2); // 假设是4核CPU
}
return false;
}
/**
* 获取 MySQL 版本
*/
private function get_mysql_version() {
global $wpdb;
return $wpdb->get_var("SELECT VERSION()");
}
/**
* 检查 PHP 内存限制
*/
public function check_memory_limit() {
$this->memory['limit'] = (int) ini_get('memory_limit');
}
/**
* 检查内存使用情况
*/
private function check_memory_usage() {
$this->memory['usage'] = function_exists('memory_get_peak_usage')
? round(memory_get_peak_usage(true) / 1024 / 1024, 2)
: 0;
if (!empty($this->memory['usage']) && !empty($this->memory['limit'])) {
$this->memory['percent'] = round($this->memory['usage'] / $this->memory['limit'] * 100, 0);
$this->memory['color'] = $this->get_memory_color($this->memory['percent']);
}
}
/**
* 获取内存使用率的颜色
*/
private function get_memory_color($percent) {
if ($percent > 90) {
return 'font-weight:bold;color:red';
} elseif ($percent > 75) {
return 'font-weight:bold;color:#E66F00';
}
return 'font-weight:normal;';
}
/**
* 格式化 WordPress 内存限制
*/
private function format_wp_limit($size) {
$unit = strtoupper(substr($size, -1));
$value = (int) substr($size, 0, -1);
switch ($unit) {
case 'P': $value *= 1024;
case 'T': $value *= 1024;
case 'G': $value *= 1024;
case 'M': $value *= 1024;
case 'K': $value *= 1024;
}
return $value;
}
/**
* 获取 WordPress 内存限制
*/
private function check_wp_limit() {
$memory = $this->format_wp_limit(WP_MEMORY_LIMIT);
return $memory ? size_format($memory) : __('N/A', 'wp-china-yes');
}
/**
* 添加信息到管理界面页脚
*/
public function add_footer($content) {
$settings = get_settings();
// 设置默认显示选项
$default_options = [
'memory_usage',
'wp_limit',
'server_ip',
];
// 如果设置为空或不是数组，使用默认选项
$display_options = isset($settings['memory_display']) && is_array($settings['memory_display'])
? $settings['memory_display']
: $default_options;
// 如果 memory 设置未启用，直接返回原始内容
if (empty($settings['memory'])) {
return $content;
}
$this->check_memory_usage();
$this->server_ip_address = $_SERVER['SERVER_ADDR'] ?? ($_SERVER['LOCAL_ADDR'] ?? '');
$this->os_info = $this->get_os_info();
$footer_parts = [];
// 内存使用量
if (in_array('memory_usage', $display_options)) {
$footer_parts[] = sprintf('%s: %s %s %s MB (%s%%)',
__('Memory', 'wp-china-yes'),
$this->memory['usage'],
__('of', 'wp-china-yes'),
$this->memory['limit'],
$this->memory['color'],
$this->memory['percent']
);
}
// WP内存限制
if (in_array('wp_limit', $display_options)) {
$footer_parts[] = sprintf('%s: %s',
__('WP LIMIT', 'wp-china-yes'),
$this->check_wp_limit()
);
}
// 服务器IP和主机名
if (in_array('server_ip', $display_options)) {
$hostname_part = in_array('hostname', $display_options) ? " (" . gethostname() . ")" : "";
$footer_parts[] = sprintf('IP: %s%s',
$this->server_ip_address,
$hostname_part
);
}
// 操作系统信息
if (in_array('os_info', $display_options)) {
$footer_parts[] = sprintf('OS: %s', $this->os_info);
}
// PHP信息
if (in_array('php_info', $display_options)) {
$footer_parts[] = sprintf('PHP: %s @%sBitOS',
PHP_VERSION,
PHP_INT_SIZE * 8
);
}
// Debug状态
if (in_array('debug_status', $display_options)) {
$footer_parts[] = $this->get_debug_status();
}
// CPU使用率
if (in_array('cpu_usage', $display_options)) {
$cpu_usage = $this->get_cpu_usage();
if ($cpu_usage !== false) {
$footer_parts[] = sprintf('CPU: %s%%', $cpu_usage);
}
}
// MySQL版本
if (in_array('mysql_version', $display_options)) {
$footer_parts[] = sprintf('MySQL: %s', $this->get_mysql_version());
}
if (!empty($footer_parts)) {
$content .= ' | WPCY - ' . implode(' | ', $footer_parts);
}
return $content;
}
/**
* 检查 PHP 版本
*/
public function check_php_version() {
if (version_compare(PHP_VERSION, '7.0', '<')) {
deactivate_plugins(plugin_basename(CHINA_YES_PLUGIN_FILE));
wp_die(
sprintf(
'%s
%s
',
__('插件无法激活：PHP 版本过低', 'wp-china-yes'),
__('请升级 PHP 至 7.0 或更高版本。', 'wp-china-yes')
),
__('PHP 版本错误', 'wp-china-yes'),
['back_link' => true]
);
}
}
/**
* 更新设置
*/
private function update_settings() {
if ( is_multisite() ) {
update_site_option( 'wp_china_yes', $this->settings );
} else {
update_option( 'wp_china_yes', $this->settings, true );
}
}
}