class FilterArray

class FilterArray {
    
    /**
     * Removes empty strings from an array.
     *
     * This method removes all empty strings from the input array. This is
     * particularly useful to preserve 0 whilst filtering other falsy values. The
     * values are first cast to a string before comparison.
     *
     * @param array $value
     *   The array to filter.
     *
     * @return array
     *   The filtered array.
     */
    public static function removeEmptyStrings(array $value) : array {
        return array_filter($value, static fn($item) => (string) $item !== '');
    }

}