Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > body text

请问怎样将字符公式计算出结果

WBOY
Release： 2016-06-13 13:32:22
Original
765 people have browsed it

请教怎样将字符公式计算出结果？
比如 数据库里存入 公式：50+2*3/5

请问 怎样可以将这段 字符 计算得到结果？谢谢

------解决方案--------------------
eval（）

Related labels：
eval
source：php.cn
Previous article： windows下php无法支持pgsql,该怎么解决 Next article： 数据库操作延时有关问题
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
2
1860
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
10
2029
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
1705
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
1609
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1622
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