/**
* Check if an upgrade is needed
*
*/
function yourls_upgrade_is_needed()
{
// check YOURLS_DB_VERSION exist && match values stored in YOURLS_DB_TABLE_OPTIONS
list($currentver, $currentsql) = yourls_get_current_version_from_sql();
if ($currentsql < YOURLS_DB_VERSION) {
return true;
}
return false;
}
// Check if upgrade is needed
if (!yourls_upgrade_is_needed()) {
echo '<p>' . yourls_s('Upgrade not required. Go <a href="%s">back to play</a>!', yourls_admin_url('index.php')) . '</p>';
} else {
/*
step 1: create new tables and populate them, update old tables structure,
step 2: convert each row of outdated tables if needed
step 3: - if applicable finish updating outdated tables (indexes etc)
- update version & db_version in options, this is all done!
*/
// From what are we upgrading?
if (isset($_GET['oldver']) && isset($_GET['oldsql'])) {
$oldver = yourls_sanitize_version($_GET['oldver']);
$oldsql = yourls_sanitize_version($_GET['oldsql']);
} else {
list($oldver, $oldsql) = yourls_get_current_version_from_sql();
}
// To what are we upgrading ?
$newver = YOURLS_VERSION;
$newsql = YOURLS_DB_VERSION;
// Verbose & ugly details
$ydb->show_errors = true;
// Let's go
$step = isset($_GET['step']) ? intval($_GET['step']) : 0;
switch ($step) {
default:
case 0:
?>
<p><?php
yourls_e('Your current installation needs to be upgraded.');
?>
