Get duplicate value from array php

$arr = array(1, 4, 6, 1, 8, 9, 4, 6);

$unique = array_unique($arr);

$duplicates = array_diff_assoc($arr, $unique);

print_r($duplicates);
Array ( [3] => 1 [6] => 4 [7] => 6 )

Php check for duplicates in array

function has_dupes($array) {
    $dupe_array = array();
    foreach ($array as $val) {
        if (++$dupe_array[$val] > 1) {
            return true;
        }
    }
    return false;
}

Source: stackoverflow.com

Similar codes

1 vote349 views1 answer
Wordpress PHPMailer config
PHP Wordpress
1 vote224 views1 answer
Codeigniter 3 Configured database connection has cache enabled
PHP
1 vote228 views1 answer
Php get all elements of array except last
PHP
0 vote203 views1 answer
Php include external directory path
PHP
1 vote230 views2 answers
Display image in php from folder
PHP
0 vote263 views1 answer
Id type laravel
PHP Laravel
11 votes177 views1 answer
Install php 8.1 fpm and all modules on ubuntu
PHP
47 votes259 views6 answers
Laravel create seeder
PHP
3 votes223 views2 answers
Delete route method in laravel
PHP
0 vote207 views1 answer
Composer don't load class
PHP