Php check for duplicates in array

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 )

Check duplicate data in array php

$counts = array_count_values($array);
            $duplicate_title  = array_filter($array, function ($value) use ($counts) {
                return $counts[$value] > 1;
            });

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 vote305 views5 answers
Get recoed between two datetime laravel
PHP Laravel
4 votes320 views2 answers
Laravel get authorization bearer token
PHP Laravel
0 vote313 views1 answer
Logout php mysql
PHP
9 votes305 views3 answers
Get env app url laravel
PHP
1 vote357 views1 answer
Php preg_match email validation code
PHP
36 votes366 views6 answers
Get current time in php
PHP
0 vote312 views1 answer
Laravel price database
PHP
-2 votes335 views1 answer
Laravel model bind with route in model
PHP
0 vote302 views1 answer
Store multiple session in laravel
PHP
0 vote335 views1 answer
Rest api response 404 wordpress
PHP