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

2 votes126 views1 answer
Two digits after decimal point in php
PHP
0 vote129 views1 answer
Publish spatie permissions migrations and config
PHP
0 vote149 views1 answer
Install php-8 extentions
PHP
0 vote151 views1 answer
Job execute async laravel
PHP Laravel
2 votes144 views2 answers
Accessing Local Website on Mobile (XAMPP)
PHP
0 vote136 views1 answer
Encryption key has not encrypted laravel
PHP
10 votes126 views2 answers
Get current date laravel
PHP
7 votes135 views3 answers
Ubuntu apache php version
PHP
12 votes140 views5 answers
Shortcode php wordpress
PHP
1 vote124 views1 answer
Modal form with php
PHP