/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

5 votes103 views3 answers
Php user ip from post request
PHP
0 vote105 views1 answer
18 year back date in php
PHP
0 vote101 views1 answer
Laravel get file name
PHP
11 votes113 views5 answers
Laravel redirect back url with message
PHP Laravel
4 votes109 views1 answer
Php get array average
PHP
1 vote97 views2 answers
Upload csv file in php
PHP
4 votes118 views3 answers
Php mysql timestamp format
PHP
0 vote115 views1 answer
Laravel factory counter
PHP Laravel
3 votes99 views3 answers
Class 'App\Http\Controllers\Auth' not found
PHP
1 vote119 views3 answers
Make model factory and controller laravel
PHP Laravel