$urls=[ "http://mp.sssvip.net/addons/yb_mingpian/core/public/upload/sys_tmpl/86/MODf37fbc29-5d31-f697-9046-c564f8adc72e.png"=>"/system_img/download_mod/6/20190327/6_4ceb80bb94f5923b9fa36b6a1c62ee48.png",

       ];

$e1=floatval(microtime(true)*1000);

ccc($urls);

function aaa($dow){

	foreach ($dow as $k=>$v){

		$path="/ss/".basename($v);

		ob_start();

		$z=readfile($k);

		if($z===false){continue;}

		$img=ob_get_contents();

		ob_end_clean();

		file_put_contents($path,$img,8);

	}

}

function bbb($urls){

	$save_to='/ss/';

	$mh=curl_multi_init();

	foreach($urls as $i=>$url){

		$g=$save_to.basename($url);

		$conn[$i]=curl_init($i);

		$fp[$i]=fopen($g,"w");

		curl_setopt($conn[$i],CURLOPT_USERAGENT,"Mozilla/4.0(compatible; MSIE 7.0; Windows NT 6.0)");

		curl_setopt($conn[$i],CURLOPT_FILE,$fp[$i]);

		curl_setopt($conn[$i], CURLOPT_SSL_VERIFYPEER, false);

		curl_setopt($conn[$i], CURLOPT_SSL_VERIFYHOST, false);

		curl_setopt($conn[$i],CURLOPT_HEADER ,0);

		curl_setopt($conn[$i],CURLOPT_CONNECTTIMEOUT,60);

		curl_multi_add_handle($mh,$conn[$i]);

	}

	do{

		$n=curl_multi_exec($mh,$active);

	}while($active);

	foreach($urls as $i=>$url){

		curl_multi_remove_handle($mh,$conn[$i]);

		curl_close($conn[$i]);

		fclose($fp[$i]);

	}

	curl_multi_close($mh);

}

function ccc($urls){

	foreach ($urls as $i=>$url){

		$ch=curl_init();

		curl_setopt($ch, CURLOPT_URL, $i);

		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

		curl_setopt($ch, CURLOPT_HEADER, 0);

		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

		$cont=curl_exec($ch);

		curl_close($ch);

		file_put_contents("/ss/".basename($url),$cont);

	}

}

var_dump(floatval(microtime(true)*1000)-$e1);