1、老的curl访问方式以及耗时统计<?phpfunction curl_fetch($url, $timeout=3){ $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $data = curl_exec($ch); $errno = curl_errno($ch); if ($errno>0) { $data = false; } curl_close($ch); return $data;}function microtime_float(){ list($usec, $sec) = explode(" ", microtime()); return ((float)$usec + (float)$sec);}$url_arr=array( "taobao"=>"http://www.taobao.com", "sohu"=>"http://www.sohu.com", "sina"=>"http://www.sina.com.cn", ); $time_start = microtime_float(); $data=array(); foreach ($url_arr as $key=>$val) { $data[$key]=curl_fetch($val); } $time_end = microtime_float(); $time = $time_end - $time_start; echo "耗时:{$time}";?>耗时:0.614秒
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