Manual:$wgScript/pt

<translate> Server URLs and file paths</translate>: $wgScript
O URL de index.php.
<translate> Introduced in version:</translate>	pre 1.1.0
<translate> Removed in version:</translate>	<translate> still in use</translate>
<translate> Allowed values:</translate>	(caminho relativo)
<translate> Default value:</translate>	"{$wgScriptPath }/index.php" (1.2+) "{$wgScriptPath }/wiki.phtml" (pre 1.1.0 - 1.1) (<translate> Note:</translate> <translate> The default value of this variable depends on other variables, such as the values set in <tvar\|1>Setup.php </>, after <tvar\|2>LocalSettings.php </> is executed</translate>)
<translate> Other settings:</translate> <translate> Alphabetical</translate> \| <translate> By function</translate>

Detalhes

O URL de index.php, relativo a DOCUMENT_ROOT.

$wgArticlePath é definido em relação a $wgScript. Se redefinir isto no seu LocalSettings.php, então também deverá atualizar o $wgArticlePath.