PmWiki is a wiki-based system for collaborative creation and maintenance of websites.

PmWiki pages look and act like normal web pages, except they have an "Edit" link that makes it easy to modify existing pages and add new pages into the website, using basic editing rules. You do not need to know or use any HTML or CSS. Page editing can be left open to the public or restricted to small groups of authors.

Key PmWiki Features

PmWiki is written in PHP and distributed under the General Public License. It is designed to be simple to install, customize, and maintain for a variety of applications. This site is running pmwiki-2.2.11.

PmWiki is a registered trademark of Patrick R. Michaud.

PmWiki's home on the web is at pmwiki.org.

See also: Uploads, Uploads admin.

$EnableUpload

The upload.php script is automatically included from stdconfig.php if the $EnableUpload variable is true in config.php. Note that one may still need to set an upload password before users can upload (see UploadsAdmin).

$UploadDir

The directory where uploads are to be stored. Defaults to uploads/ in the pmwiki directory, but can be set to any location on the server. This directory must be writable by the webserver process if uploading is to occur.

$UploadUrlFmt

The url of the directory given by $UploadDir. By default, $UploadUrlFmt is derived from $PubDirUrl and $UploadDir.

$IMapLinkFmt['Attach:']

$LinkUploadCreateFmt

The format of the upload link displayed when an attachment not present. Defaults to

      <a class='createlinktext' href='\$LinkUpload'>\$LinkText</a>
      <a class='createlink' href='\$LinkUpload'> Δ</a>");

$UploadPrefixFmt

Sets the prefix for uploaded files to allow attachments to be organized other than by groups. Defaults to '/$Group' (uploads are organized per-group), but can be set to other values for sitewide or per-page attachments.

    $UploadPrefixFmt = '/$Group/$Name';    # per-page attachments
    $UploadPrefixFmt = '';                 # sitewide attachments

It is recommended to have the $UploadPrefixFmt variable defined in config.php, the same for all pages in the wiki, and not in group/page local configuration files. Otherwise you will be unable to link to attachments in other wikigroups.

$EnableDirectDownload

When set to 1 (the default), links to attachments bypass PmWiki and come directly from the webserver. Setting $EnableDirectDownload=0; causes requests for attachments to be obtained via ?action=download. This allows PmWiki to protect attachments using a page's read permissions, but also increases the load on the server. Don't forget to protect your directory /uploads/ with a .htaccess file (Order Deny,Allow / Deny from all).

$EnableUploadGroupAuth

Set $EnableUploadGroupAuth = 1; to authenticate downloads with the group password. This could be used together with $EnableDirectDownload = 0;.

$EnableUploadVersions

When set to 1 (default is 0), uploading a file to a location where a file of the same name already exists causes the old version to be renamed to file.ext,timestamp (instead of being overwritten). timestamp is a Unix-style timestamp.

$EnableUploadOverwrite

When set to 1 (the default), determines if overwriting previously uploaded files is allowed.

$UploadNameChars

The set of characters allowed in upload names. Defaults to "-\w. ", which means alphanumerics, hyphens, underscores, dots, and spaces can be used in upload names, and everything else will be stripped.

$UploadNameChars = "-\\w. !=+"; # allow exclamations, equals, and plus

$UploadNameChars = "-\\w. \\x80-\\xff"; # allow unicode

$MakeUploadNamePatterns

An array of regular expression replacements that is used to normalize the filename of an attached file. First, everything but $UploadNameChars will be stripped, then the file extension will be converted to lowercase. Administrators can override these replacements with a custom definition.

$UploadDirQuota

Overall size limit for all uploads.

   $UploadDirQuota = 100*1024;         # limit uploads to 100KiB
   $UploadDirQuota = 1000*1024;        # limit uploads to 1000KiB
   $UploadDirQuota = 1024*1024;        # limit uploads to 1MiB
   $UploadDirQuota = 25*1024*1024;     # limit uploads to 25MiB
   $UploadDirQuota = 2*1024*1024*1024; # limit uploads to 2GiB

$UploadPrefixQuota

Overall size limit for one directory containing uploads. This directory is usually uploads/GroupName (one for every WikiGroup), or uploads/Group/PageName (one for every page), depending on the variable $UploadPrefixFmt.

$UploadMaxSize

Maximum size for uploading files, 50000 octets (bytes) by default.

PmWiki is a wiki-based system for collaborative creation and maintenance of websites.

PmWiki pages look and act like normal web pages, except they have an "Edit" link that makes it easy to modify existing pages and add new pages into the website, using basic editing rules. You do not need to know or use any HTML or CSS. Page editing can be left open to the public or restricted to small groups of authors.

Key PmWiki Features

PmWiki is written in PHP and distributed under the General Public License. It is designed to be simple to install, customize, and maintain for a variety of applications. This site is running pmwiki-2.2.11.

PmWiki is a registered trademark of Patrick R. Michaud.

PmWiki's home on the web is at pmwiki.org.