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

5 votes166 views4 answers
App url laravel
PHP Laravel
0 vote127 views1 answer
Pagination javascript php
PHP
0 vote98 views1 answer
Refresh laravel model
PHP
0 vote185 views1 answer
Maximum upload file size: 2 MB. how to increase in softaculous
PHP
0 vote166 views1 answer
Laravel get next and previous record
PHP Laravel
0 vote136 views1 answer
Php if form fails keep data
PHP
2 votes135 views3 answers
Sanitize user input php
PHP
1 vote126 views4 answers
Laravel scheduler run
PHP
0 vote129 views1 answer
How to update radio button value in database using php
PHP
0 vote139 views1 answer
Composer in serveur ionos
PHP