Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > 请问php有没有将字符串当做公式处理数据的功能？

请问php有没有将字符串当做公式处理数据的功能？

WBOY
Release： 2016-06-23 13:43:11
Original
713 people have browsed it

不如$a=100;
$b="$c=$a-20";
怎样处理一下就可以得到80？


回复讨论(解决方案)

$a=100;eval("\$b=\$c=$a-20;");echo $b; //80
Copy after login

Related labels：
请问php有没有将字符串当做公式处理数据的功能？
source：php.cn
Previous article：android和ios调用php写的接口如何判断用户使用的是安卓还是苹果 Next article：关于微信公众号二维码的问题
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
3
2342
How to display the mobile version of Google Chrome Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
0
11
2473
The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
0
1
2095
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
1973
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
2045
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