array no of duplictae items php

PHP
<?php
$fruits_list = array('Orange',  'Apple', ' Banana', 'Cherry', ' Banana');
$result = array_unique($fruits_list);
print_r($result);
?>
  
Output:

Array ( [0] => Orange [1] => Apple [2] => Banana [3] => Cherry ) <?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?>

Array
(
    [a] => green
    [0] => red
    [1] => blue
)
Source

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