As shown below, gmp has been started, but composer keeps prompting that there is a paid solution
I also encountered this problem, was it finally solved?
Another situation is that the PHP version on the command line is inconsistent with the PHP version used by your program.
It means multiple php versions are installed.
Restart the environment
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
I also encountered this problem, was it finally solved?
Another situation is that the PHP version on the command line is inconsistent with the PHP version used by your program.
It means multiple php versions are installed.
Restart the environment