.. _zend.filter.set: Standard Filter Classes ======================= Zend Framework comes with a standard set of filters, which are ready for you to use. .. include:: zend.i18n.filter.alnum.rst .. include:: zend.i18n.filter.alpha.rst .. include:: zend.filter.base-name.rst .. include:: zend.filter.boolean.rst .. include:: zend.filter.callback.rst .. include:: zend.filter.compress.rst .. include:: zend.filter.digits.rst .. include:: zend.filter.dir.rst .. include:: zend.filter.encryption.rst .. include:: zend.filter.html-entities.rst .. include:: zend.filter.int.rst .. include:: zend.filter.null.rst .. include:: zend.i18n.filter.number.format.rst .. include:: zend.filter.preg-replace.rst .. include:: zend.filter.real-path.rst .. include:: zend.filter.string-to-lower.rst .. include:: zend.filter.string-to-upper.rst .. include:: zend.filter.string-trim.rst .. include:: zend.filter.strip-new-lines.rst .. include:: zend.filter.strip-tags.rst