I have an array as follows:
$array['a'] = 'Red';
$array['b'] = 'Green';
$array['c'] = 'Blue';
I want to convert it to:
$array['a'][1] = 'Red';
$array['b'][1] = 'Green';
$array['c'][1] = 'Blue';
Is that possible with an existing PHP function or do I need to write my own function?