--- /dev/null
+--TEST--
+ Tests that array manipulation code is correctly dealing with copy on write and
+ splitting on reference.
+--FILE--
+<?php
+ $a=array();
+ $b=1;
+ $c=&$b;
+ $a[]=$b;
+ $b=2;
+ var_dump ($a);
+?>
+--EXPECT--
+array(1) {
+ [0]=>
+ int(1)
+}
\ No newline at end of file
--- /dev/null
+--TEST--
+ Tests that array unshift code is correctly dealing with copy on write and
+ splitting on reference.
+--FILE--
+<?php
+ $a=array();
+ $b=1;
+ $c=&$b;
+ array_unshift ($a,$b);
+ $b=2;
+ var_dump ($a);
+?>
+--EXPECT--
+array(1) {
+ [0]=>
+ int(1)
+}
\ No newline at end of file