RE: [PHP] Why is this happening

> >> >Ok, I found out what the problem was. I'm still curious > >> >why the problem is occuring. > >> >> if( $tmpArray[errorNumber] & $typesToDisplay ) { > >> you're using the bitwise & when you want the logical && > >No, I actually wanted to use the bitwise &. I wanted to see > >if the "errorNumber" was in $typesToDisplay. > without seeing the code I would guess you should be using in_array(). Except that $typesToDisplay is not an array. It is made up of something like this: $typesToDisplay = ( 1 | 2 | 4 | 8 | 32 | 64 ); And to see if the errorNumber is part of the above, you bitwise "&" it. Chris