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 vote261 views1 answer
File original extensions laravel
PHP Laravel
0 vote229 views1 answer
Laravel list get x amount in a collection
PHP
0 vote244 views2 answers
Adminlte con laravel 8
PHP
4 votes255 views2 answers
Laravel eloquent sum column
PHP
4 votes257 views7 answers
Convert a String to a Number in PHP
PHP
0 vote235 views1 answer
Php replace string with array values
PHP
0 vote248 views1 answer
Laravel in array blade
PHP
5 votes235 views2 answers
Laravel encrypt decrypt
PHP Laravel
0 vote266 views1 answer
Laravel str library
PHP Laravel
5 votes329 views2 answers
Laravel APP_ENV config
PHP