Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > php 生成 验证码展示不出来

php 生成 验证码展示不出来

WBOY
Release： 2016-06-13 12:49:18
Original
904 people have browsed it

php 生成 验证码显示不出来
PHP 使用了自己写的一个类库

单独放在一个文件里面 可以显示出来，但是通过路由跳转之后就先是不来了

这个是怎么回事？


------解决方案--------------------
你还是没有数清楚，这两个url的关系
如果 test3.php 是通过下面的连接执行的，那你首先要考虑到你练得程序多输出了什么？
比如 BOM头、空格、空行以及其他不是图片数据里的东西
Related labels：
bom nbsp php test url
source：php.cn
Previous article： Thinkphp win7 32位停正常，64位下错位，查看HTML源码多出如下代码 Next article： 怎的确定用户是来自同一台电脑的
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1429
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1284
PX automatic conversion to REM error  <style>html {   font-size: calc(100vw / 3.75);      }...
From 2024-04-16 09:34:16
0
0
4687
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template