How do I delete repeated values in an array and count their number of values

Question

My question is very simple, as I do to delete repeated values of array, for example:

array = banana,morango,laranja,banana,maca

How do I delete, 1x to banana so that array stay:

array = banana,morango,laranja,maca

And finally, I would like to know what function counts the number of values that has a array?

Answer 1

$unicos = array_unique($array);
$quantidade = count($unicos);