Performance: Only purge old antispam hashes once per request (at most)
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@ -178,11 +178,14 @@ class AntiBot {
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}
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function _create_antibot($board, $thread) {
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global $config;
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global $config, $purged_old_antispam;
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$antibot = new AntiBot(array($board, $thread));
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query('DELETE FROM ``antispam`` WHERE `expires` < UNIX_TIMESTAMP()') or error(db_error());
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if (!isset($purged_old_antispam)) {
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$purged_old_antispam = true;
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query('DELETE FROM ``antispam`` WHERE `expires` < UNIX_TIMESTAMP()') or error(db_error());
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}
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if ($thread)
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$query = prepare('UPDATE ``antispam`` SET `expires` = UNIX_TIMESTAMP() + :expires WHERE `board` = :board AND `thread` = :thread AND `expires` IS NULL');
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