--TEST--

Test proper watch comparisons when having multiple levels of indirection from a zval to its value

--PHPDBG--

b 3

r

w r $a

c

q

--EXPECTF--

[Successful compilation of %s]

prompt> [Breakpoint #0 added at %s:3]

prompt> [Breakpoint #0 at %s:3, hits: 1]

>00003: $b = "a";

00004: $a = $b.$b;

00005: $c = &$a;

prompt> [Added recursive watchpoint #0 for $a]

prompt> [Breaking on watchpoint $a]

Old value:

New value: aa

>00005: $c = &$a;

00006: $a[1] = "b";

00007:

prompt> [Breaking on watchpoint $a]

Old value inaccessible or destroyed

New value (reference): aa

>00006: $a[1] = "b";

00007:

00008: exit;

prompt> [Breaking on watchpoint $a]

Old value: aa

New value: ab

>00008: exit;

00009:

prompt> [$a has been removed, removing watchpoint recursively]

[Script ended normally]

prompt>

--FILE--

<?php

$b = "a";

$a = $b.$b;

$c = &$a;

$a[1] = "b";

exit;