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Variable substitutions in the skin template are all managed by the FmtPageName() function from pmwiki.php. Pmwiki variable substitutions available on pages are managed by the substitutions from stdmarkup.php or superseded in local/config files.

%apply=item id=Action Skin?%$ActionSkin
This array is used to override the current skin when performing a given action. The most common use is to set $ActionSkin['print']='foo' to use the 'foo' skin when printing, regardless of what the $Skin variable is set to.
%apply=item id=Wiki Title?%$WikiTitle
A variable which contains the Wiki title as displayed in the browser tab and at the top of the browser window, e.g. "Lebensreform und Boheme"
%apply=item id=Enable Page Title Priority?%$EnablePageTitlePriority
A variable defining how to treat multiple (:title ...:) page directives (added in Pm Wiki 2.2.9).
$EnablePageTitlePriority = 0; # Pm Wiki default, last encountered title wins (the title may be changed from included pages or Group Footer).
$EnablePageTitlePriority = 1; # First title wins; if a title is defined in the page, directives from included pages cannot change it.
%apply=item id=Enable Diff Inline?%$EnableDiffInline
If set to 0, this variable switches off the word-level highlighting on the markup in the page history.
$EnableDiffInline = 0; # Disable colors, show plain text differences
%apply=item id=Enable RC Diff Bytes?%$EnableRCDiffBytes
If set to 1, (All)Recent Changes pages will display the difference in bytes of the page content from the previous version like (+123) or (-42)
$EnableRCDiffBytes = 1; # Show bytes difference from previous version
The colors are the same as those in the page history; if your skin doesn't provide them, add to pub/css/local.css something like:
.diffmarkup { font-family: monospace; font-size: 0.9em; } 
.diffmarkup del { background: #ff9; text-decoration: none; }
.diffmarkup ins { background: #9f9; text-decoration: none; }
%apply=item id=Current Time?%$CurrentTime
This variable contains the current date and time formatted with $TimeFmt. It is used in Recent Changes (before 2.3.0), and in user signatures.
%apply=item id=Current Local Time?%$CurrentLocalTime
This variable contains the current date and time stamp, saved in Recent Changes (since 2.3.0). This time stamp will be saved in the wiki source text in Greenwich Mean Time (UTC/GMT), but will be shown according to $TimeFmt in the timezone of the wiki. When $EnableLocalTimes is enabled, then it will be shown in the visitor's time zone. The same format is also saved in user signatures if $EnableLocalTimes is enabled.
%apply=item id=Enable Pm Utils?%$EnablePmUtils
This variable controls whether the script pub/pmwiki-utils.js should be loaded or not. The script contains Java Script? utility functions for the table of contents, the syntax highlighting, the recent changes, and the email obfuscation. By default $EnablePmUtils is 1 (enabled), but its functions should be enabled individually ($EnableLocalTimes, $EnableHighlight, $PmTOC, $LinkFunctions['mailto:']). Set this variable to 0 to disable all these functions.
%apply=item id=Enable Local Times?%$EnableLocalTimes
(Default disabled) Enables the rewriting of date and time stamps into the timezone of the visitor, see documentation at Cookbook:LocalTimes. Dates affected are in Recent Changes pages, in page histories, and in user signatures.
$EnableLocalTimes = 2; Enables long local times, as in MM/DD/YYYY HH:MM:SS.
$EnableLocalTimes = 1; Enables compact local times, either HH:MM (within 24 hours), MM/DD or DD/MM (within 11 months), and MM/DD/YYYY or DD/MM/YYYY if earlier than 11 months. The long format appears in a tooltip title when the mouse is over the short format.
%apply=item id=Enable Pm Syntax?%$EnablePmSyntax
(Not to be confused with $EnableHighlight) When set to 1, enables PmSyntax, a syntax highlighting for the Pm Wiki markup language, which makes the documentation easy to read (from 2.3.0). When set to 2, it also enables the experimental syntax highlighting in the basic edit form:
$EnablePmSyntax = 1; # highlight documentation blocks
$EnablePmSyntax = 2; # both documentation and edit form
if ($action=='edit') $EnablePmSyntax = 2; # only edit form
%apply=item id=Custom Syntax?%$CustomSyntax
(From 2.3.0) An array where custom rules for syntax highlighting can be defined. See documentation at Cookbook:CustomSyntax.
%apply=item id=Enable Highlight?%$EnableHighlight
(Not to be confused with $EnablePmSyntax) If set to 1, enables compatibility with the highlight.js library to highlight program code. In addition, you need to include the library and mark your code blocks with the wikistyle %highlight%, see WikiStyles#highlight.
%apply=item id=Enable Copy Code?%$EnableCopyCode
(From 2.3.21) When set to 1, adds a [+] button near the top right of preformatted blocks. A user clicking on the button will have the text of the preformatted block copied to their system clipboard:
$EnableCopyCode = 1; # add a [+] copy code button to pre blocks
%apply=item id=HTML Tag Attr?%$HTMLTagAttr
A string containing attributes of the <html...> tag in the skin template, default empty. For example, to add a "lang" attribute, set in config.php:
$HTMLTagAttr = 'lang="en" xml:lang="en"';
For this variable to work in a custom skin, add it in the template file, for example:
<html xmlns="http://www.w3.org/1999/xhtml" $HTMLTagAttr>
%apply=item id=HTML Styles Fmt?%$HTMLStylesFmt
An array of CSS statements to be included in the page's output along with other HTML headers. This array provides an easy place for scripts to add custom CSS statements.
%apply=item id=HTML Header Fmt?%$HTMLHeaderFmt
An array of HTML text to be included in the page's <head> section, at the point where the skin template specifies a <!--HTMLHeader--> directive. This array provides an easy place for scripts to add custom HTML headers.
For example, if you want to specify a favicon for all the pages of your wiki (a png image for Firefox (and others...), an ico for Internet Explorer):
$HTMLHeaderFmt['favicon'] =
'<link href="http://path/to/icon.png" type="image/png" rel="icon" />
 <link href="http://path/to/icon.ico" type="image/x-icon" rel="shortcut icon" />';
Another example, if you want to get the RSS notification on some browsers (the RSS icon in Firefox for instance):
$HTMLHeaderFmt['rss'] =
'<link rel="alternate" type="application/rss+xml" title="Rss All recent Changes" 
 href="$ScriptUrl/Site/AllRecentChanges?action=rss" />';
Javascript example
$HTMLHeaderFmt['the-javascript'] =
   // the javascript code
%apply=item id=HTML Footer Fmt?%$HTMLFooterFmt
Like $HTMLHeaderFmt above, this contains an array of HTML text to be included near the end of an HTML document, at the point where the skin template specifies a <!--HTMLFooter--> directive (usually just before a closing </body> tag). Primarily used by scripts to add custom HTML output after the body of the page output.
%apply=item id=Meta Robots?%$MetaRobots
Sets the value of the <meta name='robots' ... /> tag generated by Pm Wiki to control search engine robots accessing the site. Pm Wiki's default setting tells robots to not index anything but the normal page view, and to not index pages in the Pm Wiki wiki group. Explicitly setting $MetaRobots overrides this default.
# never index this site
$MetaRobots = 'noindex,nofollow';
# disable the robots tag entirely
$MetaRobots = ''; 
%apply=item id=Messages Fmt?%$MessagesFmt
An array of HTML text to be displayed at the point of any (:messages:) markup. Commonly used for displaying messages with respect to editing pages.
%apply=item id=Recent Changes Fmt?%$RecentChangesFmt
An array specifying the format of the Recent Changes listing.
The key of the array specifies the page where changes will be logged, as in
The value of the array specifies the format in which the changes will be logged, as in
'* [[{$Group}.{$Name}]]  . . . $CurrentTime $[by] $AuthorLink: [=$ChangeSummary=]'
Note the two consecutive spaces before the three dots (. . .). The two spaces separate two parts of the format: the first part doesn't change (e.g. a link to the changed page) and the second part does change (e.g. the date and author of the change). Upon saving a page, Pm Wiki removes a line that matches the first part and adds a line with the current format before the first line with 2 spaces. This way, any line without two consecutive spaces stays at the top of the recent changes page.
You can use and adapt the following to change the format (put it in config.php):
$RecentChangesFmt['$SiteGroup.AllRecentChanges'] = 
  '* [[{$Group}.{$Name}]]  . . . $CurrentTime $[by] $AuthorLink: [=$ChangeSummary=]';
$RecentChangesFmt['$Group.RecentChanges'] =
  '* [[{$Group}/{$Name}]]  . . . $CurrentTime $[by] $AuthorLink: [=$ChangeSummary=]';
Since Pm Wiki 2.3.0, the format uses $CurrentLocalTime by default which shows exactly what $CurrentTime previously showed, but when $EnableLocalTimes is set, will rewrite the time and date in the local format and timezone of the visitor.
Note that changes made to the format will only affect new edits. In other words, you will need to edit a page for your new format to be visible. Note also that you need to have two spaces between the page name and the other information about the edit.
Also note that this variable has other uses, such as not reporting at all to Recent Changes and All Recent Changes? as found here PmWiki Questions. More informations on customizing Recent Changes pages here : CustomRecentChanges?.
%apply=item id=Recent Uploads Fmt?%$RecentUploadsFmt
An array specifying the format for uploaded files at the Recent Changes listing. It is similar to $RecentChangesFmt. If enabled, newly uploaded files will be logged to the Recent Changes pages. Default is disabled. See Cookbook:RecentUploadsLog for more information. See also $EnableRecentUploads.
%apply=item id=Enable Recent Uploads?%$EnableRecentUploads
When set to 1, and when $RecentUploadsFmt is not set, it enables Recent uploads in a default format, only on the page Site.All Recent Changes. This was added in 2.3.0 to easily enable the feature with some default settings that may be good enough for many wikis.
%apply=item id=Draft Recent Changes Fmt?%$DraftRecentChangesFmt
An array specifying the format of the Recent Changes listing when saving Draft pages.
$RecentChangesFmt is set to $DraftRecentChangesFmt when a Draft page is saved. For example, you could save drafts in a separate Recent Draft Changes page and not list in the normal group's Recent Changes page:
$DraftRecentChangesFmt['$Group.RecentDraftChanges'] =
  '* [[{$Group}/{$Name}]]  . . . $CurrentTime $[by] $AuthorLink: [=$ChangeSummary=]';
$DraftRecentChangesFmt['$Group.RecentChanges'] = '';
%apply=item id=RC Lines Max?%$RCLinesMax
The maximum number of lines to be stored in Recent Changes pages. The default is zero, meaning "no limit".
        $RCLinesMax = 1000;       # maintain at most 1000 recent changes
%apply=item id=Page Redirect Fmt?%$PageRedirectFmt
The text to be used when a page is redirected via the (:redirect:) markup.
$PageRedirectFmt = '<p><i>redirected from $FullName</p>';
$PageRedirectFmt = '';
For display options, see also the FAQ on PageDirectives.
%apply=item id=Wiki Style?%$WikiStyle
An array which contains the predefined Wiki Styles which can be used on a textpage.
See: PmWiki.CustomWikiStyles
%apply=item id=Wiki Style Apply?%$WikiStyleApply
An array which defines the scope of wiki styling per HTML element. Default settings are:
'item' => 'li|dt',
'list' => 'ul|ol|dl',
'div' => 'div',
'pre' => 'pre',
'img' => 'img',
'block' => 'p(?!\\sclass=)|div|ul|ol|dl|li|dt|pre|h[1-6]',
'p' => 'p(?!\\sclass=)'
This defines that we can apply wiki styling on:
  • LI elements using the item keyword
  • UL, OL, DL elements using the list keyword
  • etc.
An example of applying scope to an LI element is below. For more information refer to WikiStyle scope.
* %apply=item red%Here is a red styled list item
* This item would not be styled.
  • Here is a red styled list item
  • This item would not be styled.
You can add additional HTML elements to $WikiStyleApply to apply wiki styles to other HTML elements. For example to allow styling on table rows, or anchor tags.
%apply=item id=Wiki Page CSS Fmt?%$WikiPageCSSFmt
This variable holds a page name where you can add CSS rules applied to specific page patterns (default disabled). See Cookbook:LocalCSS as an example.
$WikiPageCSSFmt = 'Site.Local CSS?'; # global Site.Local CSS? page
$WikiPageCSSFmt = '{$Group}.Local CSS?'; # per-group Local CSS? pages
%apply=item id=Wiki Page CSS Vars?%$WikiPageCSSVars
If a "wiki CSS page" is enabled with $WikiPageCSSFmt, this is an array with global PHP $variables available as pre-processor @variables in that page. By default the array contains: 'Farm Pub Dir Url?', 'Pub Dir Url?', 'Skin', 'action', 'Skin Dir Url?'.
%apply=item id=Enable Self Wiki Page CSS?%$EnableSelfWikiPageCSS
If a "wiki CSS page" is enabled with $WikiPageCSSFmt, that specific page doesn't have CSS applied to itself when browsed or edited. In case a grave mistake is made in the styles and the site becomes unusable, this page will still be viewable and editable. People familiar with CSS can set this to 1 and the styles will be applied to the page itself, also in "Preview" mode:
$EnableSelfWikiPageCSS = 1; # Apply styles to the "wiki CSS page" itself
%apply=item id=Pm TOC?%$PmTOC
Enable and configure the built-in table of contents, see Table of contents (TOC).
$PmTOC['Enable'] = 1; # Enable TOC; default is 0 (disabled).
%apply=item id=Toggle Next Selector?%$ToggleNextSelector
A CSS selector to enable interactive toggling of hidden sections, see Cookbook:ToggleNext. By default it is disabled.
%apply=item id=Max Includes?%$MaxIncludes
Controls the number of times that pages can be included via the (:include:) and other directives, used to control recursion and otherwise pose a sanity check on page contents. $MaxIncludes defaults to 50, but can be set to any value by the wiki administrator.
$MaxIncludes = 50;            # default
$MaxIncludes = 1000;          # allow lots of includes
$MaxIncludes = 0;             # turn off includes 
Lists the name(s) of skins to load, unless overridden by $ActionSkin. Normally $Skin contains a single string which is the name of a skin directory, but it may also be an array of names, in which case the first skin found from the list is used.
%apply=item id=Skin Dir Url?%$SkinDirUrl
Set by scripts/skins.php to be the base url of the current skin's directory (i.e., within a 'pub/skins/' directory). This variable is typically used inside of a skin .tmpl file to provide access to .css files and graphic images associated with the skin.
%apply=item id=Skin Lib Dirs?%$SkinLibDirs
An array which, given the filesystem path (array key) to a skin (or a directory containing several skins), provides the corresponding URL (array value).
The array key is the directory containing the skin.tmpl and skin.php files, as seen by the Pm Wiki program. It does not have to be publicly accessible.
The value is the URL (web address) of the directory containing the .css, .gif, and other files which appear in the HTML code sent by PM Wiki? to the browser. This directory must be publicly accessible.
By default $SkinLibDirs is set to:
$SkinLibDirs = array(
  "./pub/skins/\$Skin" => "$PubDirUrl/skins/\$Skin",
  "$FarmD/pub/skins/\$Skin" => "$FarmPubDirUrl/skins/\$Skin");
Extra details: When PM Wiki? is searching for a skin it looks for a directory named for the skin in the array index/keys, and if it finds it then it will use the files in that directory and also the files in the matching array value url. The two sides normally point to the same publicly accessible directory, but they do not have to.
%apply=item id=Skin Template Include Level?%$SkinTemplateIncludeLevel
how many levels of inclusion are allowed for skin templates with the <!--IncludeTemplate:...--> directive. By default this directive is disabled. Setting it to 1 allows one level of inclusions, setting it to 2 allows included templates to include more templates. There can be up to 10 levels of inclusion. This variable can be defined either in local/config.php or in pub/skins/skinname/skinname.php (with SDV):
  # in config.php, allow one level of inclusions
  $SkinTemplateIncludeLevel = 1; 

  # in skinname.php, allow 3 levels of inclusions
  SDV($GLOBALS['SkinTemplateIncludeLevel'], 3); 
%apply=item id=Page Logo Url?%$PageLogoUrl
is the url that refers to a logo image which most skins display somewhere in the page's header (top left usually), e.g. ""
%apply=item id=Enable Path Info?%$EnablePathInfo
Changes the handling of the page URL. When set to 1 page URL will be ...wiki.php/Main/Main, when set to 0 (default) it will be ...wiki.php?n=Main.Main.
%apply=item id=Enable Fixed Url Redirect?%$EnableFixedUrlRedirect
When Pm Wiki is given a partial page name (e.g., just the name of a Wiki Group), it uses $PagePathFmt in order to make a complete page name from the partial one, then issues a "redirect" to the browser to tell it to reload the page with the correct full page name. Setting $EnableFixedUrlRedirect=0; blocks the redirect, so that Pm Wiki continues processing with the adjusted page name rather than issuing the redirect.
%apply=item id=Group Header Fmt?%$GroupHeaderFmt
Defines the markup placed at the top of every page. Default value is:
        $GroupHeaderFmt = '(:include {$Group}.GroupHeader self=0 basepage={*$FullName}:)(:nl:)';
%apply=item id=Group Print Header Fmt?%$GroupPrintHeaderFmt
Defines the markup placed at the top of every page when action=print. Default value is:
        SDV($GroupPrintHeaderFmt,'(:include $Group.GroupPrintHeader basepage={*$FullName}:)(:nl:)');
%apply=item id=Group Footer Fmt?%$GroupFooterFmt
Defines the markup placed at the bottom of every page. Default value is:
        $GroupFooterFmt = '(:nl:)(:include {$Group}.GroupFooter self=0 basepage={*$FullName}:)';
%apply=item id=Group Print Footer Fmt?%$GroupPrintFooterFmt
Defines the markup placed at the bottom of every page when action=print. Default value is:
        SDV($GroupPrintFooterFmt,'(:nl:)(:include $Group.GroupPrintFooter basepage={*$FullName}:)');
%apply=item id=Page Not Found Header Fmt?%$PageNotFoundHeaderFmt
Specifies the HTTP header to send when attempting to browse a page that doesn't exist. Some webserver packages (notably Microsoft's "Personal Web Server") require that this variable be changed in order to work.
# default
$PageNotFoundHeaderFmt = 'HTTP/1.1 404 Not Found';
# return all pages as found
$PageNotFoundHeaderFmt = 'HTTP/1.1 200 Ok';
Beware when expecting to return the content of a Group(header|footer) for an non existent page! By default Pm Wiki returns 404 (because the page does not exist), despite there is some content to show. Firefox shows the content, while Internet Explorer displays its default 404 page. $PageNotFoundHeaderFmt MUST be set to return 200 as described above in order to get the expected behaviour with all browsers.
%apply=item id=HTMLV Space?%$HTMLVSpace
Setting $HTMLVSpace = ''; in a local customizationfile (e.g., local/config.php) prevents insertion of spacer paragraphs (<p class='vspace'></p>) in generated HTML code. To limit this change to a single skin, place the $HTMLVSpace = ''; statement in a skin.php file, preceded by the statement global $HTMLVSpace;.
%apply=item id=HTMLP Newline?%$HTMLPNewline
This variable allows to enable linebreaks by default, i.e. without having the directive (:linebreaks:) in a page or in a Group Header. To enable line breaks, add to config.php such a line:
$HTMLPNewline = '<br/>';
%apply=item id=Simple Table Default Class Name?%$SimpleTableDefaultClassName
This variable can contain a CSS classname to be used for simple tables, if a "class=" attribute is not defined in the wiki page (default unset):
$SimpleTableDefaultClassName = "wikisimpletable";
See for sample code PITS:00638.
%apply=item id=Enable Simple Table Rowspan?%$EnableSimpleTableRowspan
If set to 1, will enable features replicating the recipe Cookbook:RowspanInSimpleTables (default disabled).
$EnableSimpleTableRowspan = 1; # See recipe
%apply=item id=Enable Sortable?%$EnableSortable
Set this variable to 1 to enable sortable tables, see Tables#sortable (default disabled):
$EnableSortable = 1; # Enable sortable tables
%apply=item id=Table Cell Attr Fmt?%$TableCellAttrFmt
For Tables, defines the HTML attributes given to each <td> or <th> cell in the output. Can contain references to $TableCellCount which holds the horizontal column number of the current cell.
%apply=item id=Table Cell Align Fmt?%$TableCellAlignFmt
For Tables, defines the HTML attributes for alignment of each <td> or <th> cell. Default is " align='%s'" where %s will be replaced with 'center', 'left' or 'right'. For a valid HTML 5? output you may want to change this in config.php:
$TableCellAlignFmt = " class='%s'";
then define the CSS classes td.center, td.right and td.left (also th).
%apply=item id=Table Row Attr Fmt?%$TableRowAttrFmt
For Tables, defines the HTML attributes given to each <tr> element in the output. Can contain references to $TableRowCount to give the absolute row number within the table, or $TableRowIndex to provide a repeating row index from 1 to $TableRowIndexMax.
# Give each row a unique CSS class based on row number (tr1, tr2, tr3, ... )
$TableRowAttrFmt = "class='tr\$TableRowCount'";
# Give each row alternating CSS classes (ti1, ti2, ti1, ti2, ti1, ... )
$TableRowIndexMax = 2;
$TableRowAttrFmt = "class='ti\$TableRowIndex'"; 
%apply=item id=Table Row Index Max?%$TableRowIndexMax
The maximum value for $TableRowIndex in Tables.
# Set rows indexes as 1, 2, 3, 1, 2, 3, 1, 2, ...
$TableRowIndexMax = 3; 
%apply=item id=Enable Table Auto Valign Top?%$EnableTableAutoValignTop
Advanced tables are intended for layout, and automatically insert the valign='top' attribute if there is no valign attribute defined in the markup source. Setting this variable to 0 in config.php will prevent the automatic addition.
$EnableTableAutoValignTop = 0; # disable automatic valign='top' attr
%apply=item id=Enable Auto Skin List?%$EnableAutoSkinList
This variable enables the change of the skin from the URL to any skin available on the wiki installation. See also $PageSkinList and Skins:SkinChange.
%apply=item id=Page Skin List?%$PageSkinList
This is an array of allowed skins that can be changed by the visitor with ?skin= or ?setskin= URL query to the wiki. See also $EnableAutoSkinList and Skins:SkinChange.
PM Wiki? internal variable - Horizontal column number of the current cell. For use in $TableCellAttrFmt and $TableRowAttrFmt. Administrators can use in $TableCellAttrFmt and/or $TableRowAttrFmt.
Example: $TableCellAttrFmt = 'class=col\$TableCellCount';
PM Wiki? internal variable - Current row number. Administrators can use in $TableCellAttrFmt and/or $TableRowAttrFmt.
Example: Table Row Attr Fmt? = "class='row\$TableRowCount'";
PM Wiki? internal variable - Row index number derived from $TableRowIndexMax. (1,2,3,1,2,3,...). Administrators can use in $TableCellAttrFmt and/or $TableRowAttrFmt.
Example: $TableRowAttrFmt = "class='ind\$TableRowIndex'";

See also: Edit Variables

This page may have a more recent version on pmwiki.org: PmWiki:LayoutVariables, and a talk page: PmWiki:LayoutVariables-Talk.

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Page last modified on March 02, 2023, at 11:31 AM