/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

1 vote104 views1 answer
How to use old for select in blade laravel
PHP
6 votes141 views5 answers
Migration rename column laravel
PHP Laravel
7 votes133 views3 answers
Php curl get response body
PHP
0 vote100 views1 answer
How to store wp editor in wordpress
PHP
2 votes116 views1 answer
Php convert minutes to hours and minutes
PHP
1 vote129 views1 answer
Twig limit text
PHP
0 vote103 views1 answer
Php insert char before each letter using regex
PHP
1 vote110 views1 answer
How to set a validation on a value if its not null in laravel php
PHP
0 vote122 views1 answer
Laravel flutter save image in data
PHP Laravel
0 vote148 views1 answer
Laravel denny request by ip
PHP Laravel