Description:
------------
Line 4 (09.0.0.0) fails in the following code.

Fails on both 4.3.4 and 5.0.0b2.

Haven't tried it in *nix.

Thanks,

Ross

Reproduce code:
---------------
<?php
ini_set('html_errors', false);
assert(ip2long('1.0.0.0') == ip2long('01.0.0.0'));
assert(ip2long('9.0.0.0') == ip2long('09.0.0.0'));
echo 'phpversion=',phpversion();
?>


Expected result:
----------------
Nothing.

Actual result:
--------------
$ php -q bug_ip2long.php 

Warning: assert(): Assertion failed in c:\ross\freebeer\www\demo\bug_ip2long.php on line 4
phpversion=4.3.4

$ php -q bug_ip2long.php 

Warning: assert(): Assertion failed in c:\ross\freebeer\www\demo\bug_ip2long.php on line 4
phpversion=5.0.0b2