You may want to learn the difference between strings and integers.
PHP Code:
new iRand = random_num(1,10)
switch(iRand)
{
case 1:
{
set_task( 30.0, "somefunc")
}
case 2:
{
client_print(0, print_chat, "The picked number is 2.")
}
case 3:
{
server_cmd("sv_restartround 5")
}
}