Editing Manual/Upgrading (section)

==== What to do if php update.php fails to do anything, resulting in a quick pause and then return to command prompt ==== <!--T:219-->

<!--T:220-->
This can be caused by a malfunctioning extension or skin.

<!--T:221-->
* Check that all extensions and skins called for in <tvar name=1>LocalSettings.php</tvar> are present</translate>
<translate>
<!--T:222-->
* Check that extensions are using the correct registration method (<tvar name=1>wfLoadExtension</tvar> vs. <tvar name=2>require_once</tvar>)</translate>
<translate>
<!--T:556-->
* Comment out the first half of the extensions in <tvar name=1>LocalSettings.php</tvar>.</translate> <translate><!--T:557--> If this causes <tvar name=1>update.php</tvar> to work, uncomment half of that half (so 1/4 of the extensions).</translate> <translate><!--T:558--> If this does NOT cause <tvar name=1>update.php</tvar> to work, uncomment the first half but comment out the second half, and then comment out half of the second half, etc.</translate> <translate><!--T:223--> Repeat until <tvar name=1>update.php</tvar> works to find the one that is failing.</translate>

<translate>