/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 vote138 views1 answer
Upgrade php linux
PHP
1 vote147 views1 answer
Laravel get first letter of each word
PHP Laravel
7 votes137 views1 answer
Laravel not in query
PHP Laravel
1 vote137 views1 answer
How to add properties to the request object
PHP
3 votes131 views2 answers
Round to 2 decimal places php
PHP
1 vote157 views2 answers
Laravel required_with
PHP Laravel
0 vote149 views2 answers
How to link external php file to html
PHP
0 vote138 views1 answer
Laravel Undefined index: token on reset
PHP
1 vote150 views3 answers
Laravel function to check if image exist or not
PHP
0 vote136 views2 answers
Comment split une chaine de caratere en php
PHP