--TEST-- Test array_push() function : push empty set to the array --FILE-- <?php /* Prototype : int array_push(array $stack[, mixed $...]) * Description: Pushes elements onto the end of the array * Source code: ext/standard/array.c */ $array = [1,2,3]; $values = []; var_dump( array_push($array) ); var_dump( array_push($array, ...$values) ); var_dump( $array ); echo "Done"; ?> --EXPECTF-- int(3) int(3) array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } Done