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