Mine

on *:TEXT:!cmdoff:#: { if ($nick isop $chan) { /set %cmd [ $+ [ $chan ] ] $true | /msg $chan 11,13 All commands are now disabled for $chan $+ . To enable commands type !cmdon } }

on *:TEXT:!world:#: { if (%cmd [ $+ [ $chan ] ] == $null) { .notice $nick %pc [ $+ [ $chan ] ] } }