View source for Template:When on page

{{#if:x   <!--Remove surrounding whitespace-->
| {{{   <!--Use the numbered parameter-->
    <!--Check for match with full pagename-->
    {{{ {{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}   <!--Has data, or is empty but defined-->
    | <!--Check for match with "User:Somepage/+"-->
      {{{ {{#titleparts:{{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}|1|1}}/+
      | <!--Else, are we on a subpage or a basepage?-->
        {{#if:{{#titleparts:{{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}|0|2}}
        | <!--We are on a subpage, check for match with "User:Somepage/*"-->
          {{{ {{#titleparts:{{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}|1|1}}/*
          | <!--Check for match with "Somepage/*"-->
            {{{ {{#titleparts:{{#if:{{{page|}}}| {{PAGENAME:{{{page|}}}}} | {{PAGENAME}} }}|1|1}}/*
            | <!--Check for match with "/something"-->
              {{{ /{{#titleparts:{{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}|0|-1}}
              | <!--Check for match with "/somethin*"-->
                {{{ /{{lc: {{padleft:|8| {{#titleparts:{{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}|0|-1}}# }} }}*
                | <!--Check for match with "/someth*"-->
                  {{{ /{{lc: {{padleft:|6| {{#titleparts:{{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}|0|-1}}# }} }}*
                  | <!--Check for match with "/some*"-->
                    {{{ /{{lc: {{padleft:|4| {{#titleparts:{{#if:{{{page|}}}| {{{page|}}} | {{FULLPAGENAME}} }}|0|-1}}# }} }}*   <!--Pad with # so "/a" doesn't match "/aaaa*"-->
                    | {{{subpage| {{{other|}}} }}}   <!--Respecting empty parameter on purpose-->
                    }}}
                  }}}
                }}}
              }}}
            }}}
          }}}
        | <!--We are on a basepage, check for match with "Somepage"-->
          {{{ {{#if:{{{page|}}}| {{PAGENAME:{{{page|}}}}} | {{PAGENAME}} }}
          | {{{basepage| {{{other|}}} }}}   <!--Respecting empty parameter on purpose-->
          }}}
        }}   <!--End if, are we on a subpage or a basepage?-->
      }}}
    }}}
  |}}}
}}<noinclude>

{{documentation}}
<!-- Add categories and interwikis to the /doc subpage, not here! -->
</noinclude>