Answers for "how to reduce duplicate value in array in php"

remove duplicate values in array php

<?php
$list_programming_language = array('C#',  'C++', 'PHP', 'C#', 'PHP');
$result = array_unique($list_programming_language);
print_r($result);
?>
  
// ==> 'C#',  'C++', '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
)