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

0 vote245 views1 answer
Quitar html con laravel 5
PHP
7 votes357 views3 answers
Generate shortcode wordpress plugin
PHP Wordpress
0 vote269 views1 answer
Test a single file laravel
PHP Laravel
0 vote241 views1 answer
How to show image in easyadmin 3 index page
PHP
1 vote315 views1 answer
Laravel gates
PHP Laravel
0 vote279 views1 answer
Laravel blade image
PHP Laravel
0 vote274 views1 answer
Laravel Pusher 401 Unauthorized
PHP Laravel
0 vote259 views1 answer
Numeros positivos input laravel
PHP
1 vote296 views1 answer
Floor ceil php
PHP
10 votes260 views4 answers
Print last query laravel
PHP