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<?php
/**
* Elgg garbage collector.
*
* @package ElggGarbageCollector
*/
elgg_register_event_handler('init', 'system', 'garbagecollector_init');
function garbagecollector_init() {
$period = get_plugin_setting('period', 'garbagecollector');
switch ($period) {
case 'weekly':
case 'monthly':
case 'yearly':
break;
default:
$period = 'monthly';
}
// Register cron hook
elgg_register_plugin_hook_handler('cron', $period, 'garbagecollector_cron');
}
/**
* Cron job
*/
function garbagecollector_cron($hook, $entity_type, $returnvalue, $params) {
echo elgg_echo('garbagecollector');
// Garbage collect metastrings
echo elgg_echo('garbagecollector:gc:metastrings');
if (delete_orphaned_metastrings() !== false) {
echo elgg_echo('garbagecollector:ok');
} else {
echo elgg_echo('garbagecollector:error');
}
echo "\n";
// Now, because we are nice, trigger a plugin hook to let other plugins do some GC
$rv = true;
$period = get_plugin_setting('period','garbagecollector');
elgg_trigger_plugin_hook('gc', 'system', array('period' => $period));
// Now we optimize all tables
$tables = get_db_tables();
foreach ($tables as $table) {
echo elgg_echo('garbagecollector:optimize', array($table));
if (optimize_table($table) !== false) {
echo elgg_echo('garbagecollector:ok');
} else {
echo elgg_echo('garbagecollector:error');
}
echo "\n";
}
echo elgg_echo('garbagecollector:done');
}
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