/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

2 votes187 views2 answers
Find in string laravel
PHP Laravel
0 vote190 views3 answers
Not Found The requested URL was not found on this server. Apache/2.4.48 (Win64) OpenSSL/1.1.1k PHP/8.0.8 Server at localhost Port 80
PHP
4 votes198 views2 answers
Remove index.php from url htaccess
PHP
0 vote184 views1 answer
Laravel check if postback
PHP
4 votes154 views1 answer
Connection failed: could not find driver php
PHP
0 vote258 views2 answers
Laravel collection search
PHP Laravel
0 vote220 views1 answer
What is type-hinting in php
PHP
2 votes187 views2 answers
Laravel insert timestamp now
PHP
0 vote224 views1 answer
Laravel get next and previous record
PHP Laravel
2 votes243 views6 answers
Redirect http to https htaccess
PHP