/PHP/Php knoww if array has duplicate values

Php knoww if array has duplicate values

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 knoww if array has duplicate values

if (count($array) === count(array_unique($array))) {
		//values are unique
}

Similar codes

1 vote223 views1 answer
Fluid inline if
PHP
0 vote228 views2 answers
How to write tests for php
PHP
6 votes210 views5 answers
Remove html tags from string php
PHP
18 votes227 views6 answers
Install laravel auth
PHP Laravel
7 votes240 views2 answers
Php one line if without else
PHP
0 vote238 views1 answer
Wordpress - php settings
PHP Wordpress
8 votes221 views2 answers
Php convert spaces to underscores
PHP
1 vote216 views1 answer
Persian error laravel
PHP
0 vote192 views1 answer
How to import Yomo in larave;
PHP
0 vote223 views1 answer
Laravel many to many insert data
PHP