A problem I found was the array_diff() was trying to check a multi-dimensional array against an array.
According to php.net "This function only checks one dimension of a n-dimensional array. "
So I'll fix that up first.
A problem I found was the array_diff() was trying to check a multi-dimensional array against an array.
According to php.net "This function only checks one dimension of a n-dimensional array. "
So I'll fix that up first.