会python真的可以为所欲为0(回)
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每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
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885天前
鸽子
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889天前<?php |
function curl_multi_fetch($urlarr=array()){ |
$result=$res=$ch=array(); |
$nch = 0; |
$mh = curl_multi_init(); |
foreach ($urlarr as $nk => $url) { |
$timeout=2; |
$ch[$nch] = curl_init(); |
curl_setopt_array($ch[$nch], array( |
CURLOPT_URL => $url, |
CURLOPT_HEADER => false, |
CURLOPT_RETURNTRANSFER => true, |
CURLOPT_TIMEOUT => $timeout, |
)); |
curl_multi_add_handle($mh, $ch[$nch]); |
++$nch; |
} |
/* wait for performing request */ |
do { |
$mrc = curl_multi_exec($mh, $running); |
} while (CURLM_CALL_MULTI_PERFORM == $mrc); |
|
while ($running && $mrc == CURLM_OK) { |
// wait for network |
if (curl_multi_select($mh, 0.5) > -1) { |
// pull in new data; |
do { |
$mrc = curl_multi_exec($mh, $running); |
} while (CURLM_CALL_MULTI_PERFORM == $mrc); |
} |
} |
|
if ($mrc != CURLM_OK) { |
error_log("CURL Data Error"); |
} |
|
/* get data */ |
$nch = 0; |
foreach ($urlarr as $moudle=>$node) { |
if (($err = curl_error($ch[$nch])) == '') { |
$res[$nch]=curl_multi_getcontent($ch[$nch]); |
$result[$moudle]=$res[$nch]; |
} |
else |
{ |
error_log("curl error"); |
} |
curl_multi_remove_handle($mh,$ch[$nch]); |
curl_close($ch[$nch]); |
++$nch; |
} |
curl_multi_close($mh); |
return $result; |
} |
$url_arr=array( |
"taobao"=>"http://www.taobao.com", |
"sohu"=>"http://www.sohu.com", |
"sina"=>"http://www.sina.com.cn", |
); |
function microtime_float() |
{ |
list($usec, $sec) = explode(" ", microtime()); |
return ((float)$usec + (float)$sec); |
} |
$time_start = microtime_float(); |
$data=curl_multi_fetch($url_arr); |
$time_end = microtime_float(); |
$time = $time_end - $time_start; |
echo "耗时:{$time}"; |
?> |
