Php is_assoc

function isAssoc(array $arr)
{
    if (array() === $arr) return false;
    return array_keys($arr) !== range(0, count($arr) - 1);
}

var_dump(isAssoc(['a', 'b', 'c'])); // false
var_dump(isAssoc(["0" => 'a', "1" => 'b', "2" => 'c'])); // false
var_dump(isAssoc(["1" => 'a', "0" => 'b', "2" => 'c'])); // true
var_dump(isAssoc(["a" => 'a', "b" => 'b', "c" => 'c'])); // true

Similar codes

0 vote392 views1 answer
Show selected value in dropdown laravel
PHP Laravel
1 vote335 views1 answer
Declare boolean php
PHP
0 vote359 views1 answer
Laravel vue browser cache auto clear
PHP Laravel
3 votes334 views1 answer
Phpmyadmin drop database
PHP
0 vote384 views1 answer
Stripe laravel usage-based metered billing
PHP Laravel
0 vote356 views2 answers
Check method in laravel
PHP Laravel
0 vote486 views1 answer
Drupal 9 select node data with query conditions using entity type manager
PHP Drupal
13 votes348 views6 answers
Laravel migration change column type
PHP
16 votes442 views5 answers
Get user auth in laravel
PHP Laravel
0 vote334 views1 answer
New return type php 8.1
PHP