50 lines
1.7 KiB
PHP
50 lines
1.7 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
function update_core($from, $to) {
|
||
|
|
global $wp_filesystem;
|
||
|
|
|
||
|
|
// Sanity check the unzipped distribution
|
||
|
|
apply_filters('update_feedback', __('Verifying the unpacked files'));
|
||
|
|
if ( !file_exists($from . '/wordpress/wp-settings.php') || !file_exists($from . '/wordpress/wp-admin/admin.php') ||
|
||
|
|
!file_exists($from . '/wordpress/wp-includes/functions.php') ) {
|
||
|
|
$wp_filesystem->delete($from, true);
|
||
|
|
return new WP_Error('insane_distro', __('The update could not be unpacked') );
|
||
|
|
}
|
||
|
|
|
||
|
|
apply_filters('update_feedback', __('Installing the latest version'));
|
||
|
|
|
||
|
|
// Create maintenance file to signal that we are upgrading
|
||
|
|
$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
|
||
|
|
$maintenance_file = $to . '.maintenance';
|
||
|
|
$wp_filesystem->delete($maintenance_file);
|
||
|
|
$wp_filesystem->put_contents($maintenance_file, $maintenance_string, 0644);
|
||
|
|
|
||
|
|
// Copy new versions of WP files into place.
|
||
|
|
$result = copy_dir($from . '/wordpress', $to);
|
||
|
|
if ( is_wp_error($result) ) {
|
||
|
|
$wp_filesystem->delete($maintenance_file);
|
||
|
|
//$wp_filesystem->delete($working_dir, true); //TODO: Uncomment? This DOES mean that the new files are available in the upgrade folder if it fails.
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Might have to do upgrade in a separate step.
|
||
|
|
apply_filters('update_feedback', __('Upgrading database'));
|
||
|
|
// Get new db version
|
||
|
|
global $wp_db_version;
|
||
|
|
require (ABSPATH . WPINC . '/version.php');
|
||
|
|
// Upgrade db
|
||
|
|
define('WP_INSTALLING', true);
|
||
|
|
require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
|
||
|
|
wp_upgrade();
|
||
|
|
|
||
|
|
// Remove working directory
|
||
|
|
$wp_filesystem->delete($from, true);
|
||
|
|
|
||
|
|
// Remove maintenance file, we're done.
|
||
|
|
$wp_filesystem->delete($maintenance_file);
|
||
|
|
|
||
|
|
// Force refresh of update information
|
||
|
|
delete_option('update_core');
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|