/**
* Upgrade moodle core
* @param float $version target version
* @param bool $verbose
* @return void, may throw exception
*/
function upgrade_core($version, $verbose)
{
global $CFG, $SITE, $DB, $COURSE;
raise_memory_limit(MEMORY_EXTRA);
require_once $CFG->libdir . '/db/upgrade.php';
// Defines upgrades
try {
// Reset caches before any output.
cache_helper::purge_all(true);
purge_all_caches();
// Upgrade current language pack if we can
upgrade_language_pack();
print_upgrade_part_start('moodle', false, $verbose);
// Pre-upgrade scripts for local hack workarounds.
$preupgradefile = "{$CFG->dirroot}/local/preupgrade.php";
if (file_exists($preupgradefile)) {
core_php_time_limit::raise();
require $preupgradefile;
// Reset upgrade timeout to default.
upgrade_set_timeout();
}
$result = xmldb_main_upgrade($CFG->version);
if ($version > $CFG->version) {
// store version if not already there
upgrade_main_savepoint($result, $version, false);
}
// In case structure of 'course' table has been changed and we forgot to update $SITE, re-read it from db.
$SITE = $DB->get_record('course', array('id' => $SITE->id));
$COURSE = clone $SITE;
// perform all other component upgrade routines
update_capabilities('moodle');
log_update_descriptions('moodle');
external_update_descriptions('moodle');
events_update_definition('moodle');
\core\task\manager::reset_scheduled_tasks_for_component('moodle');
message_update_providers('moodle');
\core\message\inbound\manager::update_handlers_for_component('moodle');
core_tag_area::reset_definitions_for_component('moodle');
// Update core definitions.
cache_helper::update_definitions(true);
// Purge caches again, just to be sure we arn't holding onto old stuff now.
cache_helper::purge_all(true);
purge_all_caches();
// Clean up contexts - more and more stuff depends on existence of paths and contexts
context_helper::cleanup_instances();
context_helper::create_instances(null, false);
context_helper::build_all_paths(false);
$syscontext = context_system::instance();
$syscontext->mark_dirty();
print_upgrade_part_end('moodle', false, $verbose);
} catch (Exception $ex) {
upgrade_handle_exception($ex);
} catch (Throwable $ex) {
// Engine errors in PHP7 throw exceptions of type Throwable (this "catch" will be ignored in PHP5).
upgrade_handle_exception($ex);
}
}
