摘要：
ceil，floor，round，intval，number_format - 执行1000W此效率对比Header("Content-Type:text/html;charset=utf-8");ini_set('memory_limit','-1');set_time_limit(0);$count = 10000000;$num = 73.1221;$q = time();for($i=0; $i';$w = time();for($i=0; $i';$e = time();for($i=0; $i';$r = 阅读全文
