<?php

/**

*名称:远程获取文件测试

*作用:测试各种方法获取远程文件的速度

*作者:swordphp@126.com

*创建时间:2013-08-29

*最后修改时间:2013-08-29

**/

ini_set("max_execution_time", "0");

set_time_limit(0);

ini_set("error_reporting", "E_ALL & ~E_NOTICE");

ini_set("allow_url_include",1);

class fileget_test{

	public function __construct(){

	}

	//通过CURL拓展获取文件内容

	public function get_file_by_curl($url){

		echo "get_file_by_curl:used_time";

		$start_time = microtime(true);

		$ch = curl_init();

		curl_setopt($ch, CURLOPT_URL, $url);//设置curl地址

		curl_setopt($ch, CURLOPT_TIMEOUT, 5);//设置超时时间.

		curl_setopt($ch, CURLOPT_USERAGENT, _USERAGENT_);

		curl_setopt($ch, CURLOPT_REFERER,_REFERER_);

		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

		$content = curl_exec($ch);

		curl_close($ch);

		$used_time = round((microtime(true)-$start_time),4);

		echo nl2br("&nbsp::::<span style=\"color:red\";>".$used_time."s\n\r</span>");

		return $used_time;

	}

	//通过file_get_content来获取文件内容

	public function get_file_by_file_get_contents($url){

		echo "get_file_by_file_get_contents:used_time";

		$start_time = microtime(true);

		$content = file_get_contents($url);

		$used_time = round((microtime(true)-$start_time),4);

		echo nl2br("&nbsp ::::<span style=\"color:red\";>".$used_time."s\n\r</span>");

		return $used_time;

	}

	//通过fopen来获取文件内容

	public function get_file_by_fopen($url){

		echo "get_file_by_fopen:used_time";

		$start_time = microtime(true);

		$handle = fopen($url,'r');

		$content = fread($handle, 100000);

		fclose($handle);

		$used_time = round((microtime(true)-$start_time),4);

		echo nl2br("&nbsp ::::<span style=\"color:red\";>".$used_time."s\n\r</span>");

		return $used_time;

	}

	//通过include获取远程文件

	public function get_file_by_include($url){

		echo "get_file_by_include:used_time";

		$start_time = microtime(true);

		ob_start();

		include($url);

		$coutent = ob_get_contents();

		ob_clean();

		$used_time = round((microtime(true)-$start_time),4);

		echo nl2br("&nbsp ::::<span style=\"color:red\";>".$used_time."s\n\r</span>");

		return $used_time;

	}

}

function my_test($function,$url){

	$res = array();

	$test = new fileget_test;

	switch ($function) {

		case 'get_file_by_curl':

			for($i=1;$i<=100;$i++){

				echo "第".$i."次调用:";

				$res[$i] = $test ->get_file_by_curl($url);

			}

			echo nl2br("100次平均时间:".array_sum($res)/count($res)."\n\r");

			echo "失败次数:".count(array_keys($res,false));

			break;

		case 'get_file_by_file_get_contents':

			for($i=0;$i<=100;$i++){

				echo "第".$i."次调用:";

				$res[$i] = $test ->get_file_by_file_get_contents($url);

			}

			echo nl2br("100次平均时间:".array_sum($res)/count($res)."\n\r");

			echo "失败次数:".count(array_keys($res,false));

			break;

		case 'get_file_by_fopen':

			for($i=0;$i<=100;$i++){

				echo "第".$i."次调用:";

				$res[$i] = $test ->get_file_by_fopen($url);

			}

			echo nl2br("100次平均时间:".array_sum($res)/count($res)."\n\r");

			echo "失败次数:".count(array_keys($res,false));

			break;

		case 'get_file_by_include':

			for($i=0;$i<=100;$i++){

				echo "第".$i."次调用:";

				$res[$i] = $test ->get_file_by_include($url);

			}

			echo nl2br("100次平均时间:".array_sum($res)/count($res)."\n\r");

			echo "失败次数:".count(array_keys($res,false));

			break;

		default:

			echo "no function selected!";

			break;

	}

}

$function = $_GET['f'];

$url = isset($_GET['url'])?$_GET['url']:'http://www.taobao.com';

my_test($function,$url);