/PHP/How to remove duplicate values from an array in php

How to remove duplicate values from an array in php

<?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?>

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

Php remove duplicates from string

$str = implode(',',array_unique(explode(',', $str)));

-1

Source: stackoverflow.com

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