public static function instance()
{
if (empty(self::$instance)) {
$c = __CLASS__;
self::$instance = new $c();
}
return self::$instance;
}
/**
* 跟踪程序运行， 记录一些时间等情况。
*
* @param string $out 是否在页面输出
*/
public static function time($key = null, $name = 'Tracer', $out = false)
{
if (empty(self::$timeTracer)) {
self::$timeTracer = array(0 => array('name' => 'start.', 'time' => time()));
}
$now = microtime(true);
// 时间跟踪器总数
$count = !empty(self::$timeTracer) ? count(self::$timeTracer) : 0;
// 距离上一个跟踪器所耗时间
end(self::$timeTracer);
$last_key = key(self::$timeTracer);
$time = $now - self::$timeTracer[$last_key]['time'];
// 添加进时间跟踪器
$key = !empty($key) ? $key : $count;
self::$timeTracer[$key] = array('name' => $key, 'time' => $now);
if ($out) {
$txt = "{$key} timer_{$count}: {$now} ,take {$time}";
echo "<br>" . $txt . "<br>";
}
}
public static function displayTracer(Tracer $Tracer, $separator = ' » ', $protect = true)
{
$traces = $Tracer->getTraces();
if (!empty($traces)) {
$output = '';
foreach ($traces as $trace) {
$name = $protect ? Security::noHtml($trace['name']) : $trace['name'];
if ($trace['link']) {
$output .= Html::LinkTo($name, $trace['link']) . $separator;
} else {
$output .= $name . $separator;
}
}
return String::substr($output, 0, -String::length($separator));
} else {
return null;
}
}
public function __construct($className)
{
$this->fileContent = Tracer::extract($className);
}
<?php
/**
* 系统启动程序入口
*
* @package Imp
* @author Imp <*****@*****.**>
* @copyright 2015-2016 Imp All rights reserved.
* @version 1.0
* @link
*/
!defined(APP_PATH) or die('undefine APP_PATH');
!defined(IMP_PATH) or die('undefine IMP_PATH');
!defined(ROOT_PATH) or die('undefine ROOT_PATH');
// 系统跟踪信息
$GLOBALS['_TRACE']['beginTime'] = microtime(true);
ob_start();
require __DIR__ . DIRECTORY_SEPARATOR . '../Imp.php';
// 添加时间跟踪器
//Tracer::time('start');
// 应用配置
$config = (require APP_PATH . 'Configs/Config.php');
// 创建应用
$app = Imp::createWebApplication($config, dirbane(__DIR__));
// 添加时间跟踪器
Tracer::time('end_create_app');
return $app;
// 注册自动装载方法
// spl_autoload_register(array('Imp', 'autoload'));
