( ! ) Notice: Undefined index: argv in C:\wamp64\scripts\switchWampPort.php on line 15
Call Stack
#	Time	Memory	Function	Location
1	0.0003	378784	{main}( )	...\switchWampPort.php:0

( ! ) Notice: Trying to access array offset on value of type null in C:\wamp64\scripts\switchWampPort.php on line 15
Call Stack
#	Time	Memory	Function	Location
1	0.0003	378784	{main}( )	...\switchWampPort.php:0

The port number you give: 0 is not valid or is not allowed. Press ENTER to continue...

( ! ) Warning: Use of undefined constant STDIN - assumed 'STDIN' (this will throw an Error in a future version of PHP) in C:\wamp64\scripts\switchWampPort.php on line 85
Call Stack
#	Time	Memory	Function	Location
1	0.0003	378784	{main}( )	...\switchWampPort.php:0

( ! ) Warning: fgets() expects parameter 1 to be resource, string given in C:\wamp64\scripts\switchWampPort.php on line 85
Call Stack
#	Time	Memory	Function	Location
1	0.0003	378784	{main}( )	...\switchWampPort.php:0
2	0.6764	447992	fgets ( )	...\switchWampPort.php:85