<?php

//$result=httpcopy('http://www.phpernote.com/image/logo.gif');

echo '<pre>';print_r($result);

function httpcopy($url,$file='',$timeout=60){

    $file=empty($file)?pathinfo($url,PATHINFO_BASENAME):$file;

    $dir=pathinfo($file,PATHINFO_DIRNAME);

    !is_dir($dir)&&@mkdir($dir,0755,true);

    $url=str_replace(' ',"%20",$url);

	$result=array('fileName'=>'','way'=>'','size'=>0,'spendTime'=>0);

	$startTime=explode(' ',microtime());

	$startTime=(float)$startTime[0]+(float)$startTime[1];

    if(function_exists('curl_init')){

        $ch=curl_init();

        curl_setopt($ch,CURLOPT_URL,$url);

        curl_setopt($ch,CURLOPT_TIMEOUT,$timeout);

        curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);

        $temp=curl_exec($ch);

        if(@file_put_contents($file,$temp)&&!curl_error($ch)){

			$result['fileName']=$file;

			$result['way']='curl';

			$result['size']=sprintf('%.3f',strlen($temp)/1024);

        }

    }else{

        $opts=array(

            'http'=>array(

            'method'=>'GET',

            'header'=>'',

            'timeout'=>$timeout

			)

        );

        $context=stream_context_create($opts);

        if(@copy($url,$file,$context)){

            $result['fileName']=$file;

			$result['way']='copy';

			$result['size']=sprintf('%.3f',strlen($context)/1024);

        }

    }

	$endTime=explode(' ',microtime());

	$endTime=(float)$endTime[0]+(float)$endTime[1];

	$result['spendTime']=round($endTime-$startTime)*1000;//单位：毫秒

	return $result;

}