array_intersect_key

Supported Versions: PHP 5 >= 5.1.0, PHP 7, PHP 8
Computes the intersection of arrays using keys for comparison
<?php array_intersect_key(array $array, array ...$arrays): array
<?php         ];




        $overriddenKeys = array_intersect_key($expectedGlobalVariables['$_SERVER'], $expectedCommonVariables);

        $expectedCommonVariables = array_merge($expectedCommonVariables, $overriddenKeys);

        self::assertArraySubset($expectedCommonVariables, $response['$_SERVER']);