library\think\Debug.php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st
// +----------------------------------------------------------------------
namespace think;
use think\Config;
use think\exception\ClassNotFoundException;
use think\Log;
use think\Request;
use think\Response;
use think\response\Redirect;
class Debug
{
// 区间时间信息
protected static $info = [];
// 区间内存信息
protected static $mem = [];
/**
* 记录时间（微秒）和内存使用情况
* @param string $name 标记位置
* @param mixed $value 标记值 留空则取当前 time 表示仅记录时间 否则同时记录时间和内存
* @return mixed
*/
public static function remark($name, $value = '')
{
// 记录时间和内存使用
self::$info[$name] = is_float($value) ? $value : microtime(true);
if ('time' != $value) {
self::$mem['mem'][$name] = is_float($value) ? $value : memory_get_usage();
self::$mem['peak'][$name] = memory_get_peak_usage();
}
}
/**
* 统计某个区间的时间（微秒）使用情况
* @param string $start 开始标签
* @param string $end 结束标签
* @param integer|string $dec 小数位
* @return integer
*/
public static function getRangeTime($start, $end, $dec = 6)
{
if (!isset(self::$info[$end])) {
self::$info[$end] = microtime(true);
}
return number_format((self::$info[$end] - self::$info[$start]), $dec);
}
/**
* 统计从开始到统计时的时间（微秒）使用情况
* @param integer|string $dec 小数位
* @return integer
*/
public static function getUseTime($dec = 6)
{
return number_format((microtime(true) - THINK_START_TIME), $dec);
}
/**
* 获取当前访问的吞吐率情况
* @return string
*/
public static function getThroughputRate()
{
return number_format(1 / self::getUseTime(), 2) . 'req/s';
}
/**
* 记录区间的内存使用情况
* @param string $start 开始标签
* @param string $end 结束标签
* @param integer|string $dec 小数位
* @return string
*/
public static function getRangeMem($start, $end, $dec = 2)
{
if (!isset(self::$mem['mem'][$end])) {
self::$mem['mem'][$end] = memory_get_usage();
}
$size = self::$mem['mem'][$end] - self::$mem['mem'][$start];
$a = ['B', 'KB', 'MB', 'GB', 'TB'];
$pos = 0;
while ($size >= 1024) {
$size /= 1024;
$pos++;
}
return round($size, $dec) . " " . $a[$pos];
}
/**
* 统计从开始到统计时的内存使用情况
* @param integer|string $dec 小数位
* @return string
*/
public static function getUseMem($dec = 2)
{
$size = memory_get_usage() - THINK_START_MEM;
$a = ['B', 'KB', 'MB', 'GB', 'TB'];
$pos = 0;
while ($size >= 1024) {
$size /= 1024;
$pos++;
}
return round($size, $dec) . " " . $a[$pos];
}
/**
* 统计区间的内存峰值情况
* @param string $start 开始标签
* @param string $end 结束标签
* @param integer|string $dec 小数位
* @return mixed
*/
public static function getMemPeak($start, $end, $dec = 2)
{
if (!isset(self::$mem['peak'][$end])) {
self::$mem['peak'][$end] = memory_get_peak_usage();
}
$size = self::$mem['peak'][$end] - self::$mem['peak'][$start];
$a = ['B', 'KB', 'MB', 'GB', 'TB'];
$pos = 0;
while ($size >= 1024) {
$size /= 1024;
$pos++;
}
return round($size, $dec) . " " . $a[$pos];
}
/**
* 获取文件加载信息
* @param bool $detail 是否显示详细
* @return integer|array
*/
public static function getFile($detail = false)
{
if ($detail) {
$files = get_included_files();
$info = [];
foreach ($files as $key => $file) {
$info[] = $file . ' ( ' . number_format(filesize($file) / 1024, 2) . ' KB )';
}
return $info;
}
return count(get_included_files());
}
/**
* 浏览器友好的变量输出
* @param mixed $var 变量
* @param boolean $echo 是否输出 默认为true 如果为false 则返回输出字符串
* @param string $label 标签 默认为空
* @param integer $flags htmlspecialchars flags
* @return void|string
*/
public static function dump($var, $echo = true, $label = null, $flags = ENT_SUBSTITUTE)
{
$label = (null === $label) ? '' : rtrim($label) . ':';
ob_start();
var_dump($var);
$output = ob_get_clean();
$output = preg_replace('/\]\=\>\n(\s+)/m', '] => ', $output);
if (IS_CLI) {
$output = PHP_EOL . $label . $output . PHP_EOL;
} else {
if (!extension_loaded('xdebug')) {
$output = htmlspecialchars($output, $flags);
}
$output = '' . $label . $output . '
';
}
if ($echo) {
echo ($output);
return null;
} else {
return $output;
}
}
public static function inject(Response $response, &$content)
{
$config = Config::get('trace');
$type = isset($config['type']) ? $config['type'] : 'Html';
$request = Request::instance();
$class = false !== strpos($type, '\\') ? $type : '\\think\\debug\\' . ucwords($type);
unset($config['type']);
if (class_exists($class)) {
$trace = new $class($config);
} else {
throw new ClassNotFoundException('class not exists:' . $class, $class);
}
if ($response instanceof Redirect) {
//TODO 记录
} else {
$output = $trace->output($response, Log::getLog());
if (is_string($output)) {
// trace调试信息注入
$pos = strripos($content, '
');