php verification code displays x, which means the verification code is not displayed normally. The solution: 1. Find the "checkCode.php" file; 2. Just add the "ini_set('display_errors','Off');" statement in the head of "checkCode.php".

The operating environment of this tutorial: Windows 7 system, PHP version 8.1, Dell G3 computer.

What does it mean when the php verification code displays x?

The verification code on the PHP user login interface is displayed as "X" (the verification code image cannot be displayed) Solution

1. The verification code is displayed as "X".

2. Code browsing:

1> Login.php code, after inspection, there is no problem!

    
  
 
管理员登录界面
  
 
 
用户ID：
">
 
密 码：
 
验证码：
 
 
 
 保存用户ID
 
 
 
  
 用户ID不能为空！"; }else if($errno==2){ echo "用户密码不能为空！"; }else if($errno==3){ echo "用户名或密码错误！"; }else if($errno==4){ echo "无法使用此非法的路径进入该系统！"; }else if($errno==5){ echo "验证码输入有误！"; } } ?>  
  

2>Then there must be something wrong with checkCode.php, the source code that generates the verification code!

3. The solution is as follows:

Add this sentence

ini_set('display_errors','Off');

in the head of checkCode.php, that is:

After refreshing the page, the result is as follows:

Then the problem is solved!

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