该扩展为YAZ工具箱提供了PHP接口 YAZ 是支持Z39.50 /SRW/SRU 客户端和服务器开发的程序员工具包 。  客户端和服务器角色均支持Z39.50-2003（版本3）以及 SRU版本1.1至2.0。客户端角色通过ZOOMAPI支持Solr Web服务 **Warning** [IMAP](https://www.php.net/manual/zh/book.imap.php)，[recode](https://www.php.net/manual/zh/book.recode.php)，[YAZ](https://www.php.net/manual/zh/book.yaz.php)和[Cyrus](https://www.php.net/manual/zh/book.cyrus.php)扩展不能同时使用，因为它们共享了相同 的内部符号。注意：Yaz 2.0 及以上版本不存在此问题。 [https://pecl.php.net/package/yaz](https://pecl.php.net/package/yaz) * [yaz\_addinfo](https://www.php.net/manual/en/function.yaz-addinfo.php)—返回其他错误信息 * [yaz\_ccl\_conf-](https://www.php.net/manual/en/function.yaz-ccl-conf.php)配置CCL解析器 * [yaz\_ccl\_parse](https://www.php.net/manual/en/function.yaz-ccl-parse.php)—调用CCL解析器 * [yaz\_close](https://www.php.net/manual/en/function.yaz-close.php)—关闭YAZ连接 * [yaz\_connect](https://www.php.net/manual/en/function.yaz-connect.php)—准备与Z39.50服务器的连接 * [yaz\_database](https://www.php.net/manual/en/function.yaz-database.php)—指定会话中的数据库 * [yaz\_element](https://www.php.net/manual/en/function.yaz-element.php)—指定要检索的元素集名称 * [yaz\_errno](https://www.php.net/manual/en/function.yaz-errno.php)—返回错误号 * [yaz\_error](https://www.php.net/manual/en/function.yaz-error.php)—返回错误描述 * [yaz\_es\_result](https://www.php.net/manual/en/function.yaz-es-result.php)—检查扩展服务结果 * [yaz\_es](https://www.php.net/manual/en/function.yaz-es.php)—准备扩展服务请求 * [yaz\_get\_option](https://www.php.net/manual/en/function.yaz-get-option.php)—返回连接选项的值 * [yaz\_hits](https://www.php.net/manual/en/function.yaz-hits.php)—返回上一次搜索的命中数 * [yaz\_itemorder](https://www.php.net/manual/en/function.yaz-itemorder.php)—使用ILL-Request软件包准备Z39.50物料订单 * [yaz\_present](https://www.php.net/manual/en/function.yaz-present.php)—准备进行检索（存在Z39.50） * [yaz\_range](https://www.php.net/manual/en/function.yaz-range.php)—指定要检索的记录范围 * [yaz\_record](https://www.php.net/manual/en/function.yaz-record.php)—返回记录 * [yaz\_scan\_result](https://www.php.net/manual/en/function.yaz-scan-result.php)—返回扫描响应结果 * [yaz\_scan](https://www.php.net/manual/en/function.yaz-scan.php)—准备扫描 * [yaz\_schema](https://www.php.net/manual/en/function.yaz-schema.php)—指定用于检索的架构 * [yaz\_search](https://www.php.net/manual/en/function.yaz-search.php)—准备进行搜索 * [yaz\_set\_option](https://www.php.net/manual/en/function.yaz-set-option.php)—设置一个或多个连接选项 * [yaz\_sort](https://www.php.net/manual/en/function.yaz-sort.php)—设置排序条件 * [yaz\_syntax](https://www.php.net/manual/en/function.yaz-syntax.php)—指定用于检索的首选记录语法 * [yaz\_wait](https://www.php.net/manual/en/function.yaz-wait.php)—等待Z39.50请求完成