/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

0 vote136 views1 answer
How to start the index from 1 in php?
PHP
1 vote150 views2 answers
In PackageManifest.php line 122:
PHP
0 vote140 views1 answer
Refresh_ttl
PHP
0 vote159 views4 answers
Faker laravel
PHP
0 vote168 views1 answer
Laravel many to many migration
PHP Laravel
0 vote100 views1 answer
Laravel migrate test environment
PHP
0 vote162 views1 answer
Laravel make migration in subfolder
PHP Laravel
3 votes155 views1 answer
Laravel send post request from controller
PHP Laravel
0 vote157 views2 answers
Sage theme
PHP
0 vote134 views1 answer
Eloquent insert into select
PHP