--- /dev/null
+--TEST--
+Test array_slice() - Third parameter (NULL vs 0)
+--FILE--
+<?php
+
+var_dump(array_slice(range(1, 3), 0, NULL, 1));
+var_dump(array_slice(range(1, 3), 0, 0, 1));
+var_dump(array_slice(range(1, 3), 0, NULL));
+var_dump(array_slice(range(1, 3), 0, 0));
+
+var_dump(array_slice(range(1, 3), -1, 0));
+var_dump(array_slice(range(1, 3), -1, 0, 1));
+var_dump(array_slice(range(1, 3), -1, NULL));
+var_dump(array_slice(range(1, 3), -1, NULL, 1));
+
+
+$a = 'foo';
+var_dump(array_slice(range(1, 3), 0, $a));
+var_dump(array_slice(range(1, 3), 0, $a));
+var_dump($a);
+
+?>
+
+--EXPECTF--
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ int(3)
+}
+array(0) {
+}
+array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ int(3)
+}
+array(0) {
+}
+array(0) {
+}
+array(0) {
+}
+array(1) {
+ [0]=>
+ int(3)
+}
+array(1) {
+ [2]=>
+ int(3)
+}
+array(0) {
+}
+array(0) {
+}
+string(3) "foo"