PHP

Laravel9 Failed to listen on 127.0.0.1:8000 (reason: ?)

You don`t have use Environment on option in variables_order. 
It generate this the error: Failed to listen on 127.0.0.1:8000 (reason: ?)

Solving it. Setting on your php.ini this 
[PHP]
variables_order = "GPCS"

E = Environment
G = Get
P = Post
C = Cookies
S = Session