/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

0 vote134 views1 answer
Nativescript date input validation
TypeScript
2 votes150 views2 answers
Typescript object of type interface
TypeScript
0 vote149 views1 answer
Writhing requests to text file
TypeScript
0 vote145 views1 answer
Create an object bottle that has a property that is an object: cap. cap can have properties like material: 'metal' or 'plastic', color: blue or white etc. Log one of the properties of that inner object.
TypeScript
0 vote149 views1 answer
Replace multiple elements in a list python
TypeScript
2 votes134 views2 answers
Organize imports on save vscode
TypeScript
152 votes329 views6 answers
Create react app ts
TypeScript
2 votes143 views1 answer
How to link locally installed fonts to css
TypeScript
0 vote147 views1 answer
Is there somone controlling the puppets in peppermint park
TypeScript
0 vote146 views1 answer
Footer credits with jquery date time
TypeScript