/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

2 votes119 views1 answer
'mat-date-range-picker' is not a known element:
TypeScript
0 vote119 views1 answer
Flights starting from in india
TypeScript
2 votes113 views1 answer
Components meaning
TypeScript
2 votes158 views1 answer
Mat input formatter tel
TypeScript
6 votes152 views2 answers
Using nodemon with typescript
TypeScript
3 votes136 views2 answers
Adonis load relationship
TypeScript
0 vote115 views1 answer
Mongoose model enum
TypeScript
1 vote115 views1 answer
Angular jasmin mock http response
TypeScript
0 vote122 views1 answer
.htaccess Forcing scripts to display as source code
TypeScript
0 vote123 views1 answer
How to get all the points of the circufrence python
TypeScript