TITLE:Thread Safe Resource Manager (TSRM) - http://www.phppro.jp/phpmanual/php/tsrm.html - http://ido.nu/kuma/2006/11/27/what-is-tick-of-php/ * [#j4fb0a23] - http://jp.php.net/manual/ja/internals2.ze1.tsrm.php (こちらは中身空っぽ)