src/DotArr.php
protected static function keyExistsMultiple(array $arr, array $keys)
    {
        $return = [];
        foreach ($keys as $key) {
            $return[$key] = static::keyExists($arr, $key);
        }

        return $return;
    }
protected static function keyExistsMultiple(array $arr, array $keys)
    {
        $return = [];
        foreach ($keys as $key) {
            $return[$key] = static::keyExists($arr, $key);
        }

        return $return;
    }
protected static function keyExistsMultiple ( array $ arr , array $ keys ) { $ return = [ ] ; foreach ( $ keys as $ key ) { $ return [ $ key ] = static :: keyExists ( $ arr , $ key ) ; } return $ return ; }
Verifies if multiple keys exists in a dot-notated array or not.

@param array $arr  The dot-notated array.
@param array $keys The keys to verify.

@return array The array of results.
Verifies if multiple keys exists in a dot - notated array or not .