/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 vote262 views2 answers
Php session regenerate id
PHP
1 vote294 views2 answers
Add laravel sail build as alias
PHP
0 vote273 views1 answer
Symfony session 5.3
PHP
0 vote258 views1 answer
Php check if cli mode
PHP
3 votes278 views1 answer
Laravel send post request from controller
PHP
1 vote241 views1 answer
Laravel test cases
PHP
0 vote273 views1 answer
Searching for new lines
PHP
2 votes330 views2 answers
Truncate table laravel eloquent
PHP Laravel
1 vote246 views1 answer
How to get current location in laravel
PHP
2 votes272 views2 answers
Add [nom] to fillable property to allow mass assignment
PHP