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

8 votes160 views3 answers
Check if includes numbers php
PHP
6 votes175 views6 answers
Laravel get current route url
PHP
0 vote181 views1 answer
Acf field without spaces
PHP
0 vote186 views1 answer
Wordpress wp_query orderby random
PHP Wordpress
1 vote144 views1 answer
Group array php by key
PHP
1 vote178 views1 answer
Laravel query get big table records
PHP Laravel
7 votes192 views2 answers
Laravel carbon get month number
PHP Laravel
1 vote202 views1 answer
Laravel pagination publish command
PHP
1 vote146 views1 answer
Disabling Caching of Queries Laravel Model Cache
PHP
2 votes193 views2 answers
Get relationship data from soft delete laravel
PHP Laravel