Change port 3306 to 3307 on Wampserver
1. Right click on WampServer tray icon
2. Got to Mysql=>my.ini File.
3.Open my.ini File.
4.change the mysql port.
Look for this line
# The MySQL server
[wampmysqld]
port = 3306
#
#
[mysqld]
port=3306
5.Change both instances to another port (i.e. 3307)
6.Save my.ini File,
7.Restart Wamp MYSQL
8.Done.
we have changed the default port for MySQL from 3306 to 3307.