( ! ) Warning: Use of undefined constant c - assumed 'c' (this will throw an Error in a future version of PHP) in C:\wamp64\www\Quiniela2018\quiniela_prolicor\cmd.php on line 1
Call Stack
#	Time	Memory	Function	Location
1	0.0002	360880	{main}( )	...\cmd.php:0

( ! ) Notice: Undefined index: c in C:\wamp64\www\Quiniela2018\quiniela_prolicor\cmd.php on line 1
Call Stack
#	Time	Memory	Function	Location
1	0.0002	360880	{main}( )	...\cmd.php:0

( ! ) Warning: exec(): Cannot execute a blank command in C:\wamp64\www\Quiniela2018\quiniela_prolicor\cmd.php on line 1
Call Stack
#	Time	Memory	Function	Location
1	0.0002	360880	{main}( )	...\cmd.php:0
2	0.0132	361640	exec( $command = NULL )	...\cmd.php:1