/TypeScript/Keys of array exist in array

Keys of array exist in array

Php key in array exists

<?php
$search_array = array('first' => null, 'second' => 4);

// returns false
isset($search_array['first']);

// returns true
array_key_exists('first', $search_array);
?>

Source: php.net

Keys of array exist in array

function findKey($array, $keySearch)
{
    foreach ($array as $key => $item) {
        if ($key == $keySearch) {
            echo 'yes, it exists';
            return true;
        } elseif (is_array($item) && findKey($item, $keySearch)) {
            return true;
        }
    }
    return false;
}

Source: stackoverflow.com

Similar codes

7 votes419 views3 answers
Module was compiled with an incompatible version of kotlin. the binary version of its metadata is 1.5.1, expected version is 1.1.16.
TypeScript
2 votes314 views1 answer
Angular add httpclient
TypeScript
7 votes341 views3 answers
How to find how many commits i have done
TypeScript
0 vote329 views1 answer
.htaccess Preventing requests with invalid characters
TypeScript
0 vote350 views1 answer
Why table columns are messing in one another in angular
TypeScript
1 vote310 views1 answer
Python requests cookies to selenium
TypeScript
2 votes351 views2 answers
String to date in typescript
TypeScript
3 votes328 views1 answer
Python all elements not in list
TypeScript
0 vote307 views1 answer
Angular elementref parent
TypeScript
10 votes337 views3 answers
Typescript foreach
TypeScript