$date_parse = strtotime($DATE_AT);
if ($date_parse) {
$DATE_AT = $date_parse;
} else {
// check for UNIX Timestamp
$date_parse = @date('Ymd', $DATE_AT);
if (!$date_parse || $date_parse === '19700101') {
msg(sprintf($lang['unable_to_parse_date'], $DATE_AT));
$DATE_AT = null;
}
}
}
//check for existing $REV related to $DATE_AT
if ($DATE_AT) {
$pagelog = new PageChangeLog($ID);
$rev_t = $pagelog->getLastRevisionAt($DATE_AT);
if ($rev_t === '') {
//current revision
$REV = null;
$DATE_AT = null;
} else {
if ($rev_t === false) {
//page did not exist
$rev_n = $pagelog->getRelativeRevision($DATE_AT, +1);
msg(sprintf($lang['page_nonexist_rev'], strftime($conf['dformat'], $DATE_AT), wl($ID, array('rev' => $rev_n)), strftime($conf['dformat'], $rev_n)));
$REV = $DATE_AT;
//will result in a page not exists message
} else {
$REV = $rev_t;
}
}
/**
* Returns a full page id
*
* @author Andreas Gohr <*****@*****.**>
*
* @param string $ns namespace which is context of id
* @param string &$page (reference) relative page id, updated to resolved id
* @param bool &$exists (reference) updated with existance of media
*/
function resolve_pageid($ns, &$page, &$exists, $rev = '', $date_at = false)
{
global $conf;
global $ID;
$exists = false;
//empty address should point to current page
if ($page === "") {
$page = $ID;
}
//keep hashlink if exists then clean both parts
if (strpos($page, '#')) {
list($page, $hash) = explode('#', $page, 2);
} else {
$hash = '';
}
$hash = cleanID($hash);
$page = resolve_id($ns, $page, false);
// resolve but don't clean, yet
// get filename (calls clean itself)
if ($rev !== '' && $date_at) {
$pagelog = new PageChangeLog($page);
$pagelog_rev = $pagelog->getLastRevisionAt($rev);
if ($pagelog_rev !== false) {
//something found
$rev = $pagelog_rev;
}
}
$file = wikiFN($page, $rev);
// if ends with colon or slash we have a namespace link
if (in_array(substr($page, -1), array(':', ';')) || $conf['useslash'] && substr($page, -1) == '/') {
if (page_exists($page . $conf['start'], $rev, true, $date_at)) {
// start page inside namespace
$page = $page . $conf['start'];
$exists = true;
} elseif (page_exists($page . noNS(cleanID($page)), $rev, true, $date_at)) {
// page named like the NS inside the NS
$page = $page . noNS(cleanID($page));
$exists = true;
} elseif (page_exists($page, $rev, true, $date_at)) {
// page like namespace exists
$page = $page;
$exists = true;
} else {
// fall back to default
$page = $page . $conf['start'];
}
} else {
//check alternative plural/nonplural form
if (!@file_exists($file)) {
if ($conf['autoplural']) {
if (substr($page, -1) == 's') {
$try = substr($page, 0, -1);
} else {
$try = $page . 's';
}
if (page_exists($try, $rev, true, $date_at)) {
$page = $try;
$exists = true;
}
}
} else {
$exists = true;
}
}
// now make sure we have a clean page
$page = cleanID($page);
//add hash if any
if (!empty($hash)) {
$page .= '#' . $hash;
}
}
/**
* request nonexisting page
*
*/
function test_notexistingpage()
{
$rev = 1385051947;
$currentexpected = false;
$pagelog = new PageChangeLog('nonexistingpage', $chunk_size = 8192);
$current = $pagelog->getLastRevisionAt($rev);
$this->assertEquals($currentexpected, $current);
}
