$master = [['œ','€','@','÷','ï','j','$'],
           ['5','_','o','u','f','ñ','”'],
           ['z','W','Q','š','~','7','O'],
           ['—','j','\\','}','i','«','ƒ'],
           4,7];

for ($j=0;$j<$master->[4];$j++)
{
   for ($i=1;$i<$master->[5];$i++)
   {
      $master->[$j][0]=($i==1||$i==6)?
         $master->[$j][0]^$master->[$j][$i]:(($i==2||$i==5)?
         $master->[$j][0]|$master->[$j][$i]:
         $master->[$j][0]&$master->[$j][$i]);
   }
   print $master->[$j][0];
}