Window's IIS server default port is also 80,
And Wamp's apache (httpd) default port is also 80.
When Wamp fails to open due to port conflicts, the icon in the lower right corner of Wamp is yellow (green when it is normally opened).
You can just change the port number of apache (httpd).
The specific plan is as shown in the figure:
replaced by:
Then restart the Wamp service, or Wamp itself will do
The above introduces WAMP's modification of apache (httpd) port number, including Apache content. I hope it will be helpful to friends who are interested in PHP tutorials.