<?php
/*
	Force MediaWiki to make people edit their own page before they can edit others
	Author: Scott MacVicar
*/
if (defined('MEDIAWIKI'))
{

	$wgHooks['userCan'][] = 'EditPageAfterEditOwn';

	function EditPageAfterEditOwn(&$title, &$user, $action, &$result)
	{
		// No need to check if they are a sysop or its a non edit / create
		if (in_array('sysop', $user->getGroups()) OR ($action != 'edit' AND $action != 'create'))
		{
			$result = null;
	        return true;
		}

	 	// Make sure they're editing their own page if its a user page
		if ($title->getNamespace() == NS_USER AND $user->getName() == $title->getText())
		{
	        $result = true;
	        return true;
		}

	    // Finally check to see if their user page has content
		$userPageTitle = Title::makeTitle( NS_USER, $user->getName() );
		$userPage = new Article( $userPageTitle );
		if ($userPage->exists())
		{
	        $result = true;
	        return true;
		}

	    $result = false;
	    return true;
	}
}
?>