253 lines
7.1 KiB
PHP
253 lines
7.1 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think;
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use think\exception\ClassNotFoundException;
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use think\response\Redirect;
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class Debug
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{
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/**
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* @var array 区间时间信息
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*/
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protected static $info = [];
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/**
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* @var array 区间内存信息
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*/
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protected static $mem = [];
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/**
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* 记录时间（微秒）和内存使用情况
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* @access public
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* @param string $name 标记位置
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* @param mixed $value 标记值(留空则取当前 time 表示仅记录时间 否则同时记录时间和内存)
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* @return void
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*/
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public static function remark($name, $value = '')
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{
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self::$info[$name] = is_float($value) ? $value : microtime(true);
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if ('time' != $value) {
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self::$mem['mem'][$name] = is_float($value) ? $value : memory_get_usage();
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self::$mem['peak'][$name] = memory_get_peak_usage();
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}
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}
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/**
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* 统计某个区间的时间（微秒）使用情况 返回值以秒为单位
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* @access public
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* @param string $start 开始标签
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* @param string $end 结束标签
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* @param integer $dec 小数位
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* @return string
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*/
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public static function getRangeTime($start, $end, $dec = 6)
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{
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if (!isset(self::$info[$end])) {
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self::$info[$end] = microtime(true);
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}
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return number_format((self::$info[$end] - self::$info[$start]), $dec);
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}
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/**
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* 统计从开始到统计时的时间（微秒）使用情况 返回值以秒为单位
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* @access public
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* @param integer $dec 小数位
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* @return string
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*/
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public static function getUseTime($dec = 6)
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{
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return number_format((microtime(true) - THINK_START_TIME), $dec);
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}
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/**
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* 获取当前访问的吞吐率情况
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* @access public
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* @return string
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*/
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public static function getThroughputRate()
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{
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return number_format(1 / self::getUseTime(), 2) . 'req/s';
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}
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/**
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* 记录区间的内存使用情况
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* @access public
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* @param string $start 开始标签
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* @param string $end 结束标签
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* @param integer $dec 小数位
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* @return string
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*/
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public static function getRangeMem($start, $end, $dec = 2)
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{
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if (!isset(self::$mem['mem'][$end])) {
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self::$mem['mem'][$end] = memory_get_usage();
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}
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$size = self::$mem['mem'][$end] - self::$mem['mem'][$start];
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$a = ['B', 'KB', 'MB', 'GB', 'TB'];
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$pos = 0;
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while ($size >= 1024) {
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$size /= 1024;
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$pos++;
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}
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return round($size, $dec) . " " . $a[$pos];
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}
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/**
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* 统计从开始到统计时的内存使用情况
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* @access public
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* @param integer $dec 小数位
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* @return string
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*/
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public static function getUseMem($dec = 2)
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{
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$size = memory_get_usage() - THINK_START_MEM;
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$a = ['B', 'KB', 'MB', 'GB', 'TB'];
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$pos = 0;
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while ($size >= 1024) {
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$size /= 1024;
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$pos++;
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}
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return round($size, $dec) . " " . $a[$pos];
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}
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/**
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* 统计区间的内存峰值情况
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* @access public
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* @param string $start 开始标签
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* @param string $end 结束标签
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* @param integer $dec 小数位
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* @return string
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*/
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public static function getMemPeak($start, $end, $dec = 2)
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{
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if (!isset(self::$mem['peak'][$end])) {
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self::$mem['peak'][$end] = memory_get_peak_usage();
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}
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$size = self::$mem['peak'][$end] - self::$mem['peak'][$start];
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$a = ['B', 'KB', 'MB', 'GB', 'TB'];
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$pos = 0;
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while ($size >= 1024) {
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$size /= 1024;
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$pos++;
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}
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return round($size, $dec) . " " . $a[$pos];
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}
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/**
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* 获取文件加载信息
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* @access public
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* @param bool $detail 是否显示详细
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* @return integer|array
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*/
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public static function getFile($detail = false)
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{
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$files = get_included_files();
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if ($detail) {
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$info = [];
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foreach ($files as $file) {
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$info[] = $file . ' ( ' . number_format(filesize($file) / 1024, 2) . ' KB )';
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}
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return $info;
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}
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return count($files);
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}
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/**
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* 浏览器友好的变量输出
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* @access public
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* @param mixed $var 变量
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* @param boolean $echo 是否输出(默认为 true，为 false 则返回输出字符串)
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* @param string|null $label 标签(默认为空)
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* @param integer $flags htmlspecialchars 的标志
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* @return null|string
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*/
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public static function dump($var, $echo = true, $label = null, $flags = ENT_SUBSTITUTE)
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{
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$label = (null === $label) ? '' : rtrim($label) . ':';
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ob_start();
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var_dump($var);
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$output = preg_replace('/\]\=\>\n(\s+)/m', '] => ', ob_get_clean());
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if (IS_CLI) {
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$output = PHP_EOL . $label . $output . PHP_EOL;
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} else {
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if (!extension_loaded('xdebug')) {
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$output = htmlspecialchars($output, $flags);
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}
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$output = '<pre>' . $label . $output . '</pre>';
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}
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if ($echo) {
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echo($output);
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return;
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}
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return $output;
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}
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/**
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* 调试信息注入到响应中
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* @access public
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* @param Response $response 响应实例
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* @param string $content 返回的字符串
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* @return void
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*/
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public static function inject(Response $response, &$content)
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{
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$config = Config::get('trace');
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$type = isset($config['type']) ? $config['type'] : 'Html';
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$class = false !== strpos($type, '\\') ? $type : '\\think\\debug\\' . ucwords($type);
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unset($config['type']);
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if (!class_exists($class)) {
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throw new ClassNotFoundException('class not exists:' . $class, $class);
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}
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/** @var \think\debug\Console|\think\debug\Html $trace */
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$trace = new $class($config);
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if ($response instanceof Redirect) {
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// TODO 记录
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} else {
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$output = $trace->output($response, Log::getLog());
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if (is_string($output)) {
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// trace 调试信息注入
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$pos = strripos($content, '</body>');
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if (false !== $pos) {
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$content = substr($content, 0, $pos) . $output . substr($content, $pos);
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} else {
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$content = $content . $output;
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}
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}
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}
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}
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}
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