372 lines
9.6 KiB
PHP
372 lines
9.6 KiB
PHP
<?php
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namespace Kiri\Error;
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class Error
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{
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<?php
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// 自定义异常函数
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set_exception_handler('handle_exception');
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// 自定义错误函数
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set_error_handler('handle_error');
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/**
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* 异常处理
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*
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* @param mixed $exception 异常对象
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* @author blog.snsgou.com
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*/
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function handle_exception($exception)
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{
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Error::exceptionError($exception);
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}
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/**
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* 错误处理
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*
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* @param string $errNo 错误代码
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* @param string $errStr 错误信息
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* @param string $errFile 出错文件
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* @param string $errLine 出错行
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* @author blog.snsgou.com
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*/
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function handle_error($errNo, $errStr, $errFile, $errLine)
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{
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if ($errNo) {
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Error::systemError($errStr, false, true, false);
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}
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}
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/**
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* 系统错误处理
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*
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* @author blog.snsgou.com
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*/
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class Error
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{
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public static function systemError($message, $show = true, $save = true, $halt = true)
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{
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list($showTrace, $logTrace) = self::debugBacktrace();
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if ($save) {
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$messageSave = '<b>' . $message . '</b><br /><b>PHP:</b>' . $logTrace;
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self::writeErrorLog($messageSave);
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}
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if ($show) {
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self::showError('system', "<li>$message</li>", $showTrace, 0);
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}
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if ($halt) {
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exit();
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} else {
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return $message;
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}
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}
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/**
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* 代码执行过程回溯信息
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*
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* @static
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* @access public
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*/
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public static function debugBacktrace()
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{
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$skipFunc[] = 'Error->debugBacktrace';
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$show = $log = '';
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$debugBacktrace = debug_backtrace();
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ksort($debugBacktrace);
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foreach ($debugBacktrace as $k => $error) {
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if (!isset($error['file'])) {
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// 利用反射API来获取方法/函数所在的文件和行数
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try {
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if (isset($error['class'])) {
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$reflection = new ReflectionMethod($error['class'], $error['function']);
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} else {
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$reflection = new ReflectionFunction($error['function']);
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}
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$error['file'] = $reflection->getFileName();
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$error['line'] = $reflection->getStartLine();
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} catch (Exception $e) {
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continue;
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}
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}
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$file = str_replace(SITE_PATH, '', $error['file']);
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$func = isset($error['class']) ? $error['class'] : '';
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$func .= isset($error['type']) ? $error['type'] : '';
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$func .= isset($error['function']) ? $error['function'] : '';
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if (in_array($func, $skipFunc)) {
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break;
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}
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$error['line'] = sprintf('%04d', $error['line']);
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$show .= '<li>[Line: ' . $error['line'] . ']' . $file . '(' . $func . ')</li>';
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$log .= !empty($log) ? ' -> ' : '';
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$log .= $file . ':' . $error['line'];
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}
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return array($show, $log);
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}
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/**
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* 异常处理
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*
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* @static
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* @access public
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* @param mixed $exception
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*/
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public static function exceptionError($exception)
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{
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if ($exception instanceof DbException) {
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$type = 'db';
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} else {
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$type = 'system';
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}
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if ($type == 'db') {
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$errorMsg = '(' . $exception->getCode() . ') ';
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$errorMsg .= self::sqlClear($exception->getMessage(), $exception->getDbConfig());
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if ($exception->getSql()) {
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$errorMsg .= '<div class="sql">';
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$errorMsg .= self::sqlClear($exception->getSql(), $exception->getDbConfig());
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$errorMsg .= '</div>';
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}
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} else {
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$errorMsg = $exception->getMessage();
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}
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$trace = $exception->getTrace();
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krsort($trace);
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$trace[] = array('file' => $exception->getFile(), 'line' => $exception->getLine(), 'function' => 'break');
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$phpMsg = array();
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foreach ($trace as $error) {
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if (!empty($error['function'])) {
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$fun = '';
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if (!empty($error['class'])) {
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$fun .= $error['class'] . $error['type'];
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}
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$fun .= $error['function'] . '(';
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if (!empty($error['args'])) {
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$mark = '';
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foreach ($error['args'] as $arg) {
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$fun .= $mark;
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if (is_array($arg)) {
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$fun .= 'Array';
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} elseif (is_bool($arg)) {
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$fun .= $arg ? 'true' : 'false';
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} elseif (is_int($arg)) {
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$fun .= (defined('SITE_DEBUG') && SITE_DEBUG) ? $arg : '%d';
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} elseif (is_float($arg)) {
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$fun .= (defined('SITE_DEBUG') && SITE_DEBUG) ? $arg : '%f';
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} else {
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$fun .= (defined('SITE_DEBUG') && SITE_DEBUG) ? '\'' . htmlspecialchars(substr(self::clear($arg), 0, 10)) . (strlen($arg) > 10 ? ' ...' : '') . '\'' : '%s';
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}
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$mark = ', ';
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}
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}
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$fun .= ')';
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$error['function'] = $fun;
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}
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if (!isset($error['line'])) {
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continue;
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}
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$phpMsg[] = array('file' => str_replace(array(SITE_PATH, '\\'), array('', '/'), $error['file']), 'line' => $error['line'], 'function' => $error['function']);
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}
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self::showError($type, $errorMsg, $phpMsg);
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exit();
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}
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/**
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* 记录错误日志
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*
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* @static
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* @access public
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* @param string $message
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*/
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public static function writeErrorLog($message)
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{
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return false; // 暂时不写入
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$message = self::clear($message);
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$time = time();
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$file = LOG_PATH . '/' . date('Y.m.d') . '_errorlog.php';
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$hash = md5($message);
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$userId = 0;
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$ip = get_client_ip();
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$user = '<b>User:</b> userId=' . intval($userId) . '; IP=' . $ip . '; RIP:' . $_SERVER['REMOTE_ADDR'];
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$uri = 'Request: ' . htmlspecialchars(self::clear($_SERVER['REQUEST_URI']));
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$message = "<?php exit;?>\t{$time}\t$message\t$hash\t$user $uri\n";
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// 判断该$message是否在时间间隔$maxtime内已记录过，有，则不用再记录了
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if (is_file($file)) {
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$fp = @fopen($file, 'rb');
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$lastlen = 50000; // 读取最后的 $lastlen 长度字节内容
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$maxtime = 60 * 10; // 时间间隔：10分钟
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$offset = filesize($file) - $lastlen;
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if ($offset > 0) {
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fseek($fp, $offset);
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}
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if ($data = fread($fp, $lastlen)) {
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$array = explode("\n", $data);
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if (is_array($array))
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foreach ($array as $key => $val) {
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$row = explode("\t", $val);
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if ($row[0] != '<?php exit;?>') {
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continue;
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}
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if ($row[3] == $hash && ($row[1] > $time - $maxtime)) {
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return;
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}
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}
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}
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}
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error_log($message, 3, $file);
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}
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/**
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* 清除文本部分字符
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*
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* @param string $message
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*/
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public static function clear($message)
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{
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return str_replace(array("\t", "\r", "\n"), " ", $message);
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}
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/**
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* sql语句字符清理
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*
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* @static
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* @access public
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* @param string $message
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* @param string $dbConfig
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*/
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public static function sqlClear($message, $dbConfig)
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{
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$message = self::clear($message);
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if (!(defined('SITE_DEBUG') && SITE_DEBUG)) {
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$message = str_replace($dbConfig['database'], '***', $message);
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//$message = str_replace($dbConfig['prefix'], '***', $message);
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$message = str_replace(C('DB_PREFIX'), '***', $message);
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}
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$message = htmlspecialchars($message);
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return $message;
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}
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/**
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* 显示错误
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*
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* @static
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* @access public
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* @param string $type 错误类型 db,system
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* @param string $errorMsg
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* @param string $phpMsg
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*/
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public static function showError($type, $errorMsg, $phpMsg = ''):string
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{
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global $_G;
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ob_end_clean();
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$host = $_SERVER['HTTP_HOST'];
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$title = $type == 'db' ? 'Database' : 'System';
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return <<<EOT
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<title>$host - $title Error</title>
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<meta http-equiv="Content-Type" content="text/html; charset={$_G['config']['output']['charset']}" />
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<meta name="ROBOTS" content="NOINDEX,NOFOLLOW,NOARCHIVE" />
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<style type="text/css">
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<!--
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body { background-color: white; color: black; font: 9pt/11pt verdana, arial, sans-serif;}
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#container {margin: 10px;}
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#message {width: 1024px; color: black;}
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.red {color: red;}
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a:link {font: 9pt/11pt verdana, arial, sans-serif; color: red;}
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a:visited {font: 9pt/11pt verdana, arial, sans-serif; color: #4e4e4e;}
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h1 {color: #FF0000; font: 18pt "Verdana"; margin-bottom: 0.5em;}
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.bg1 {background-color: #FFFFCC;}
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.bg2 {background-color: #EEEEEE;}
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.table {background: #AAAAAA; font: 11pt Menlo,Consolas,"Lucida Console"}
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.info {
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background: none repeat scroll 0 0 #F3F3F3;
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border: 0px solid #aaaaaa;
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border-radius: 10px 10px 10px 10px;
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color: #000000;
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font-size: 11pt;
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line-height: 160%;
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margin-bottom: 1em;
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padding: 1em;
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}
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.help {
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background: #F3F3F3;
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border-radius: 10px 10px 10px 10px;
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font: 12px verdana, arial, sans-serif;
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text-align: center;
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line-height: 160%;
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padding: 1em;
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}
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.sql {
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background: none repeat scroll 0 0 #FFFFCC;
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border: 1px solid #aaaaaa;
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color: #000000;
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font: arial, sans-serif;
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font-size: 9pt;
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line-height: 160%;
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margin-top: 1em;
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padding: 4px;
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}
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-->
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</style>
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</head>
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<body>
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<div id="container">
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<h1>$title Error</h1>
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<div class='info'>$errorMsg</div>
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EOT;
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if (!empty($phpMsg)) {
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echo '<div class="info">';
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echo '<p><strong>PHP Debug</strong></p>';
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echo '<table cellpadding="5" cellspacing="1" width="100%" class="table"><tbody>';
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if (is_array($phpMsg)) {
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echo '<tr class="bg2"><td>No.</td><td>File</td><td>Line</td><td>Code</td></tr>';
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foreach ($phpMsg as $k => $msg) {
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$k++;
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echo '<tr class="bg1">';
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echo '<td>' . $k . '</td>';
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echo '<td>' . $msg['file'] . '</td>';
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echo '<td>' . $msg['line'] . '</td>';
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echo '<td>' . $msg['function'] . '</td>';
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echo '</tr>';
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}
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} else {
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echo '<tr><td><ul>' . $phpMsg . '</ul></td></tr>';
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}
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echo '</tbody></table></div>';
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}
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echo <<<EOT
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</div>
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</body>
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</html>
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EOT;
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exit();
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}
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}
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/**
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* DB异常类
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*
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* @author blog.snsgou.com
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*/
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class DbException extends Exception
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{
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protected $sql;
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protected $dbConfig; // 当前数据库配置信息
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public function __construct($message, $code = 0, $sql = '', $dbConfig = array())
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{
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$this->sql = $sql;
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$this->dbConfig = $dbConfig;
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parent::__construct($message, $code);
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}
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public function getSql()
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{
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return $this->sql;
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}
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public function getDbConfig()
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{
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return $this->dbConfig;
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}
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}
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}
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