How can I install extensions in PHP 7.4 (xampp 3.2.2)?

Question

I want mbstring and fileinfo. There's no default php.ini file.
(And yes, I do have access to the \\php\\ext directory.)

Answer 1

打开php.ini，去掉下面一行前面的分号字符(;)。

     extension = php_mbstring.dll