LinkIcons are an optional new feature of PhpWiki. When activated, icons will be displayed in front of URLs to indicate the type of link.
 http link http link
 generic internet link generic internet link
 InterWiki link InterWiki link
 https link https link
 mailto link mailto link
 ftp link ftp link
Note: Some of the default icons use the alpha channel feature of
the  PNG image format
for smooth rendering on any page color or textured background. Older
browsers may not display all the images properly.
PNG image format
for smooth rendering on any page color or textured background. Older
browsers may not display all the images properly.
Examples
The following examples will display with the above link icons only if the administrator has enabled this feature.
InterWiki links
- InterWiki link  PhpWiki:InterWiki PhpWiki:InterWiki
- A named InterWiki  read WhyWikiWorks at c2. read WhyWikiWorks at c2.
URLs
- Email address  PhpWiki-talk mailing list PhpWiki-talk mailing list
- Normal http link  PhpWiki's Home Page PhpWiki's Home Page
- Secure http link  PhpWiki's Home Page PhpWiki's Home Page
- File transfer  ftp://ftp.sourceforge.net/ ftp://ftp.sourceforge.net/
A generic icon is shown for other less common link types.
LinkIcons will only display when the URL protocol is one which PhpWiki is allowed to link to. The following examples won't show any icons and PhpWiki won't automatically provide double-clickable links either, unless the administrator adds them:
- bogus://oedipus.nostradamus.com
- bolo://lgm.cheshire.org
 news://nntp.news.com
news://nntp.news.com