Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > 这里怎么理解呢

这里怎么理解呢

WBOY
Release： 2016-06-13 12:10:36
Original
873 people have browsed it

这里如何理解呢
这是discuz中的一段代码，为了是判断php的版本号，我不理解的是，即然版本号都定为一个5.4.0RC6字符串了，哪来的比较呢，就好比，adafasdf这个字段串和wdsfa这个字符串比大小，这不是不伦不类吗，这里面的道理何在？


------解决思路----------------------
指重新定义

define('PHP_VERSION', '6');<br />
Copy after login
Notice: Constant PHP_VERSION already defined in ....

Related labels：
nbsp php
source：php.cn
Previous article：数据库查出的列表$_POST提交没有数据解决思路 Next article：求 ios 调用php接口 修改图片大小,该怎么解决
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