Question: $states = array("Ohio", "Iowa", "Arizona", "Iowa", "Ohio");
$uniqueStates = array_unique($states);
print_r($uniqueStates);
This returns the following:
AArray ( [2] => Ohio [2] => Iowa [1] => Arizona )
BArray ( [2] => Ohio [1] => Iowa [2] => Arizona )
CArray ( [0] => Ohio [1] => Iowa [2] => Arizona )
DArray ( [0] => Ohio [2] => Iowa [2] => Arizona )
Note: Not available