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 vote186 views1 answer
Laravel change error page to open in vscode
PHP
5 votes154 views5 answers
Unique laravel migration
PHP
1 vote159 views2 answers
Php ping time
PHP
0 vote287 views1 answer
Group by codeigniter 3
PHP CodeIgniter
0 vote189 views1 answer
Datetime-local laravel migration data type
PHP Laravel
1 vote194 views2 answers
Use multiple database in laravel
PHP Laravel
0 vote159 views1 answer
Sanitize_text_field
PHP
0 vote175 views2 answers
$petani = DB::table('tbl_user')->pluck('id_user', 'username', 'alamat', 'no_telp', 'id_lokasi'); return view('listpetani', ['petani' => $petani]);
PHP
1 vote146 views1 answer
Php artisan make view controller with methods
PHP
1 vote151 views1 answer
Unable to call component method
PHP