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 vote101 views1 answer
Laravel collection get
PHP
3 votes119 views2 answers
How to get file extension in laravel
PHP
0 vote152 views1 answer
Php storm can't write
PHP
0 vote115 views1 answer
Laravel breeze rquire
PHP Laravel
-1 vote106 views1 answer
Sometimes validation in laravel
PHP
1 vote102 views3 answers
Get next month first day php
PHP
2 votes114 views1 answer
Global laravel request()
PHP Laravel
0 vote102 views1 answer
Calculate total time from start and end datetime in php
PHP
1 vote96 views1 answer
How to display MySQL data dynamically using jQuery and PHP
PHP
1 vote103 views2 answers
What is php file
PHP