Access first level keys with array_map() without calling `array_keys()`
Not with array_map, as it doesn’t handle keys. array_walk does: $test_array = array(“first_key” => “first_value”, “second_key” => “second_value”); array_walk($test_array, function(&$a, $b) { $a = “$b loves $a”; }); var_dump($test_array); // array(2) { // [“first_key”]=> // string(27) “first_key loves first_value” // [“second_key”]=> // string(29) “second_key loves second_value” // } It does change the array given as … Read more