PHP_EOL ?写入字符串换行 ??, ??php获取毫秒 microtime

 ???private function miclog($t1,$t2,$name){ ???????$lasttime = ($t2 - $t1).‘ms‘; ???????$content = date(‘Y-m-d H:i:s‘,time()).‘ ??‘.$lasttime.‘ ??‘.$name; ???????file_put_contents(‘/tmp/ssyv4/micro.log‘,$content.PHP_EOL,FILE_APPEND); ???}　　// php获取毫秒 ???private function getMillisecond() { ???????list($s1, $s2) = explode(‘ ‘, microtime()); ???????return (float)sprintf(‘%.0f‘, (floatval($s1) + floatval($s2)) * 1000); ???}