PukiWiki for PHP 5.4 / 5.5

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BugTrack2/376 Keep download counts of archived attached files

BugTrack2/373 AUTH_TYPE_EXTERNAL - Add Log-in and Log-out menu

BugTrack2/373 AUTH_TYPE_EXTERNAL - Use external sign-in mechanism

In pukiwiki.ini.php, you can define $auth_external_login_url URL.
It is a external sign in URL.

For example,

```
$auth_type = AUTH_TYPE_EXTERNAL;
$auth_external_login_url = './exlogin.php';
```

If you meet a private page that requires access permission,
a system redirect you to './exlogin.php' with 'url_after_login'
parameter.

In this case, 'exlogin.php' is your custom PHP script.
After you sign in your SSO system,
please redirect back to 'url_after_login' page.

BugTrack2/356 Fix spell miss of COUNTER_DIR

Merge branch 'ldap' into branch_r1_5

BugTrack2/375 Use secure session options to prevent session hijacking

BugTrack2/375 Layout login form with table, and i18n messages

BugTrack2/362 Implement LDAP account sign in

BugTrack2/362 Add LDAP settings

BugTrack2/375 AUTH_TYPE_FORM auth_type - save auth info on session

Implement Log in and Log out for Form auth

BugTrack2/372 Add auth group - set of multi users on page permission

Reserved 'valid-group' that contains all authenticated users.
Implicit group that has same name as authenticated user name --
for example,
User 'usera' is one and only member of Group 'usera'.

BugTrack2/375 Decide to authenticated user only once on the beginning

If username are fixed and he don't have page reading permission,
the message 'Pagename is not readable' will be shown instead of
returning 401 Unauthorized.

Support simple page name expression with '&'-params as query string

For example, a URL "/?FrontPage&a=b&c=d" is recognized as "FrontPage"
page with a=b and c=d parammeteers.

Add Basic-Auth logout plugin to log out explicitly

BugTrack2/364 New development team name: "PukiWiki Development Team"

BugTrack2/354 Fix: invalid char encoding of attached filename

BugTrack2/370 Set same pcomment default target page for en/ja

* Default page: Comments/%s
* Compatible default page: コメント/%s

If only compatible page exist, use compatible page as a default comment
target.

BugTrack2/365 Simplify copyright string on page footer

BugTrack2/141 Fix: counter plugin fails for yesterday on PHP5.1+

BugTrack2/120 Fix: new plugin doesn't show "New!" indicator on PHP5+

strtotime function requests specific date time format.
So use ISO 8601 (YYYY-MM-DD) as input string.
http://php.net/manual/en/function.strtotime.php

Ignore NetBeans project files

Merge branch 'php7' into branch_r1_5

BugTrack2/369 PHP7 Support

BugTrack2/369 PHP7: Replace ereg regex functions with preg_xxx

Removed Extensions - ereg
http://php.net/manual/en/migration70.removed-exts-sapis.php

Remove ereg() and ereg_replace()

BugTrack2/369 Follow PHP7 changes of internal array pointer

Backward incompatible change of PHP7:
foreach no longer changes the internal array pointer

We already don't use current() function for array to calculate prev/next.

http://php.net/manual/en/migration70.incompatible.php#migration70.incompatible.foreach.array-pointer
http://wiki.php.net/rfc/php7_foreach

BugTrack2/369 PHP7 - Remove /e (PREG_REPLACE_EVAL) in preg_replace

Backward incompatible change of PHP7:

preg_replace() function no longer supports "\e" (PREG_REPLACE_EVAL).

http://php.net/manual/en/migration70.changed-functions.php#migration70.changed-functions.core

Solution:

Simply remove "/e" option of preg_replace() because we doen't use EVAL
behaviors.

Fix invalid reference operator of array for usort

BugTrack2/369 Support PHP7 - Remove '& new Class' notation

Backward incompatible change of PHP7:

New objects cannot be assigned by reference
The result of the new statement can no longer be assigned to a variable

http://php.net/manual/en/migration70.incompatible.php#migration70.incompatible.other.new-by-ref

Deprecated code:

```
class C {}
$c =& new C;
```

Solution:

```
class C {}
$c = new C;
```

These code changes will cause PHP4 imconpatibility in some cases.

BugTrack2/358 Improve note regex for better PHP compatibility

PHP5.3 (and others) sometimes crash with long note body.
So we reduce regex computational complexity by using '(('
Positive assertion and Once-only subpattern '(?='.

BugTrack2/240 Implement more stable extracting items for tracker

BugTrack2/361 Simplify URL. Keep slash / and colon : in page name URL

See: RFC 3986 http://www.ietf.org/rfc/rfc3986.txt - Section 3.4 Query

We don't need to percent encode for slash and colon.