A recent assignment required planning and solving, and I found lpsolve: http://lpsolve.sourceforge.net/5.5/PHP.htm
I followed the extension, but it just can’t be used, please. help
Is it an error or something? Post a screenshot to take a look.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Is it an error or something? Post a screenshot to take a look.