- /* 检查用户昵称是否重复
- * 参数$user是登录用户的昵称
- * 返回值为true时,昵称可用
- * 返回值为false时,昵称不可用
- */
- function chklogin($file,$user){
- $boo = false;
- if(file_exists($file)){
- $userarr = file($file);
- /* 判断昵称是否重复 */
- foreach($userarr as $value){
- $tmparr = explode('#',$value);
- if($user == $tmparr[0]){
- $boo = true;
- break;
- }
- }
- }
- return $boo;
- }
- /* 将登录的用户昵称写入到文件中
- * 保存格式为:昵称#ip#登录时间
- * $file:保存文件地址
- * $user:昵称
- * $ip:登录IP
- * $sex:性别
- */
- function addlogin($file,$user,$ip,$sex){
- $tmp = $user.'#'.$ip.'#'.$sex.chr(13).chr(10);
- $fp = fopen($file,'a');
- $boo = fwrite($fp,$tmp);
- fclose($fp);
- return $boo;
- }
- /* 将用户列表转为数组
- * $file:用户列表文件
- */
- function storeuser($file){
- $tmparr = file($file);
- $userarr = array();
- foreach($tmparr as $value){
- $tmparr = explode('#',$value);
- $userarr[] = $tmparr[0].','.$tmparr[2];
- }
- return $userarr;
- }
- /* 将发言内容写入到文件中
- * $file:保存文件地址
- * $mess:保存内容
- */
- function addmess($file,$mess){
- $fp = fopen($file,'a');
- $boo = fwrite($fp,$mess.chr(13).chr(10));
- fclose($fp);
- return boo;
- }
- /* 在文件中删掉用户
- * $file:保存文件地址
- * $user:要删除的用户
- */
- function deluser($file,$user){
- $tmparr = file($file);
- $rearr = array();
- foreach($tmparr as $value){
- $tmp = explode('#',$value);
- if($tmp[0] != $user){
- $rearr[] = $value;
- }
- }
- $fp = fopen($file,'w+');
- foreach($rearr as $value){
- fwrite($fp,$value);
- }
- fclose($fp);
- }
- //该片段来自于http://www.codesnippet.cn/detail/020720149874.html
来源: http://www.codesnippet.cn/detail/020720149874.html