);echo "br>";
// 根据自然排序法对数组排序
$info = array("file1","file11","File2","FILE12","file");
if(natsort...%s br>",ltrim($string,'@'));
printf("去除右侧@字符: %s br>",rtrim($string,'@'));
printf("去除两边@字符: %s <...;break;
}
// 字符串实现冒泡排序
$info= array("file11.txt","file22.txt","file1.txt","file2.exe");
function...("客户端版本: %s br>",$mysqli->get_client_info());
printf("主机信息: %s br>",$mysqli->host_info);
printf("...服务器版本: %s br>",$mysqli->server_info);
printf("服务器版本: %s br>",$mysqli->server_version);
if($mysqli