Thank you Jack,I will try it! 在 2007-8-13，下午8:36，Jack Sleight 写道：
The manual says its only a "hypothetical class", but there is a sample implementation available here: http://framework.zend.com/svn/framework/trunk/tests/Zend/Filter/ _files/TestNamespace/StringEquals.phpHopefully it will make it into a release soon. Sam Wu wrote:why missing it?-- Jack
