/PHP/Php get keys of duplicate values in array

Php get keys of duplicate values in array

<?php
/** 
	Examples of these functions:
	array_unique, 
    array_diff_assoc, 
    array_diff, 
    array_keys, 
    array_intersect 
    
    Examle with an array: 
*/
$array = array('a', 'a', 'b', 'c', 'd');

// Unique values
$unique = array_unique($array);

// Duplicates
$duplicates = array_diff_assoc($array, $unique);

// Unique values
$result = array_diff($unique, $duplicates);

// Get the unique keys
$unique_keys = array_keys($result);

// Get duplicate keys
$duplicate_keys = array_keys(array_intersect($array, $duplicates));

Source: stackoverflow.com

Similar codes

0 vote194 views1 answer
Pusher in laravel array_merge(): Argument #2 is not an array
PHP
0 vote165 views1 answer
Hoew to store a cookie php
PHP
0 vote190 views1 answer
Register_uninstall_hook
PHP
-1 vote207 views1 answer
Laravel hide columns
PHP Laravel
26 votes185 views4 answers
Where is cache file in laravel
PHP
0 vote304 views1 answer
Get original data without cast laravel
PHP Laravel
0 vote248 views2 answers
Symfony get query param
PHP
0 vote176 views1 answer
Php header utf8 json
PHP
0 vote189 views1 answer
Get user type wp php
PHP
0 vote178 views1 answer
Function is not defined laravel
PHP