/**
* 记录日志
* @param unknown $content 日志内容
* @param boolean $if_sql 是否记录SQL
*/
protected function log($content, $if_sql = true) {
if ($if_sql) {
$log = Log::read();
if (!empty($log) && is_array($log)){
$content .= end($log);
}
}
Log::record('queue\\'.$content,Log::RUN);
}
/**
* 显示页面Trace信息
*
* @return array
*/
public static function showTrace()
{
$trace = array();
//当前页面
$trace[Language::get('nc_debug_current_page')] = $_SERVER['REQUEST_URI'] . '<br>';
//请求时间
$trace[Language::get('nc_debug_request_time')] = date('Y-m-d H:i:s', $_SERVER['REQUEST_TIME']) . '<br>';
//系统运行时间
$query_time = number_format(microtime(true) - StartTime, 3) . 's';
$trace[Language::get('nc_debug_execution_time')] = $query_time . '<br>';
//内存
$trace[Language::get('nc_debug_memory_consumption')] = number_format(memory_get_usage() / 1024 / 1024, 2) . 'MB' . '<br>';
//请求方法
$trace[Language::get('nc_debug_request_method')] = $_SERVER['REQUEST_METHOD'] . '<br>';
//通信协议
$trace[Language::get('nc_debug_communication_protocol')] = $_SERVER['SERVER_PROTOCOL'] . '<br>';
//用户代理
$trace[Language::get('nc_debug_user_agent')] = $_SERVER['HTTP_USER_AGENT'] . '<br>';
//会话ID
$trace[Language::get('nc_debug_session_id')] = session_id() . '<br>';
//执行日志
$log = Log::read();
$trace[Language::get('nc_debug_logging')] = count($log) ? count($log) . Language::get('nc_debug_logging_1') . '<br/>' . implode('<br/>', $log) : Language::get('nc_debug_logging_2');
$trace[Language::get('nc_debug_logging')] = $trace[Language::get('nc_debug_logging')] . '<br>';
//文件加载
$files = get_included_files();
$trace[Language::get('nc_debug_load_files')] = count($files) . str_replace("\n", '<br/>', substr(substr(print_r($files, true), 7), 0, -2)) . '<br>';
return $trace;
}
<?php
require_once 'Log.class.php';
$log = new Log();
$log->Write('test.txt', 'My name is Kami');
echo $log->read('test.txt');
// output: 'My name is Kami in test.txt
<head>
<meta charset="utf-8">
<title>Object Serialization using PHP Sessions</title>
</head>
<body>
<h3>Object Serialization using PHP Sessions</h3>
<?php
$now = strftime("%c");
// Default session timeout is 1440 sec
if (!isset($_SESSION['logger'])) {
print "<p>Start new session</p>";
echo '<p>Create session and persistent log object</p>';
$logger = new Log('/tmp/persistent_log.txt');
$_SESSION['logger'] = $logger;
$logger->write("Created {$now}");
} else {
print "<p>Session is active</p>";
$logger = new Log('/tmp/persistent_log.txt');
$logger->write("Viewed home page {$now}");
echo '<p>The log contains:</p>';
echo nl2br($logger->read());
}
?>
<p><a href="next.php">Next Page</a>
<a href="logout.php">Close Session</a>
</p>
</body>
</html>
class Arquivo
{
protected static $file;
public static function read()
{
return file_get_contents(self::$file);
}
}
class Log extends Arquivo
{
public static $log_file = '/tmp/teste.log';
public static function write($msg)
{
// self pode ser usado para acessar métodos/propriedades da classe
file_put_contents(self::$log_file, $msg, FILE_APPEND);
}
public static function read()
{
parent::$file = self::$log_file;
return parent::read();
// parent pode ser usado para acessar membros das classes pai
}
}
echo "Arquivo de log: " . Log::$log_file;
// acesso a propriedades estáticas
echo PHP_EOL;
// escreve no log
Log::write('Nova entrada no log' . PHP_EOL);
// acesso a métodos estáticos
echo Log::read();
echo PHP_EOL;
