'', // int | string (for wiki page)
'object_type' => 'wiki page', // string object type, wiki page if empty
'oldver' => '', // int|string required version or date string (uses strtotime)
'newver' => '', // int|string version or date string, latest if empty (uses strtotime)
'curver' => '', // string by default is yes to display the current version of the page
'diff_style' => '', // string one of the options for default_wiki_diff_style pref
'show_version_info' => false, // bool hide the h2 heading "Comparing version X with version Y"
];
$params = array_merge($defaults, $params);
if (! $params['object_id']) {
return '' . tra('wikidiff: error - no object_id specified') . '';
}
if (! $params['oldver']) {
return '' . tra('wikidiff: error - no old version specified') . '';
}
if ($params['object_type'] === 'wiki page') {
$info = TikiLib::lib('tiki')->get_page_info($params['object_id'], false);
if (! $info) {
return '' . tr('wikidiff: error - page "%0" not found', $params['object_id']) . '';
}
$smarty = TikiLib::lib('smarty');
$histlib = TikiLib::lib('hist');
if (! is_numeric($params['oldver'])) {
$time = strtotime($params['oldver']);
$oldver = $histlib->get_version_by_time($params['object_id'], $time, 'after');
} else {
$oldver = $params['oldver'];
}
if (! is_numeric($params['newver']) && ! empty($params['newver'])) {
$time = strtotime($params['newver']);
$newver = $histlib->get_version_by_time($params['object_id'], $time);
} else {
$newver = $params['newver'];
}
if($params['curver'] && $params['curver'] == 'y'){
$time = strtotime("now");
$curver = $histlib->get_version_by_time($params['object_id'], $time);
} else {
$curver = 0;
}
$smarty->assign('hide_version_info', ! $params['show_version_info']);
$smarty->assign('hide_example_wikidiff_plugin_syntax', true);
histlib_helper_setup_diff($params['object_id'], $oldver, $newver, $params['diff_style'],$curver);
$html = $smarty->fetch('pagehistory.tpl');
return $html;
} else {
// TODO for other types, e.g. tracker items
return '' . tra('wikidiff: Error - only wiki pages supported currently') . '';
}
}