在线时间:8:00-16:00
迪恩网络APP
随时随地掌握行业动态
扫描二维码
关注迪恩网络微信公众号
<form action="index.php" method="post"> <input type="text" name="user"/> <input type="text" name="password"/> <input type="submit" value="submit"/> </form> <?php $user=trim($_POST['user']); $password=trim($_POST['password']); if(!$user || !$password){ echo 'please make sure no empty input'; exit; } //write to test.txt $handle=fopen('test.txt','ab+'); if($handle){ $exits=false; while(($buffer=fgets($handle))!==false){ $match=preg_match('/.*:(.*?)-/',$buffer,$array); //first write if(!$match){ break; } //exist in txt if($match && $array[1]==$user){ $exits=true; } } }else{ echo 'fail to open file'; } if(!$exits){ fwrite($handle,'$user:'.$user.'-----'.'$password:'.$password."\r\n"); }else{ echo 'user exist'; } fclose($handle); ?>
|
2022-08-30
2022-08-17
2022-11-06
2022-08-18
2022-07-18
请发表评论