<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >yaz_wait</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="YAZ Functions" HREF="ref.yaz.html"><LINK REL="PREVIOUS" TITLE="yaz_syntax" HREF="function.yaz-syntax.html"><LINK REL="NEXT" TITLE="YP/NIS Functions" HREF="ref.nis.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.yaz-syntax.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ref.nis.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.yaz-wait" ></A >yaz_wait</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN248812" ></A ><P > (PHP 4 >= 4.0.1, PECL)</P >yaz_wait -- Wait for Z39.50 requests to complete</DIV ><DIV CLASS="refsect1" ><A NAME="AEN248815" ></A ><H2 >说明</H2 >mixed <B CLASS="methodname" >yaz_wait</B > ( [array &options] )<BR ></BR ><P > This function carries out networked (blocked) activity for outstanding requests which have been prepared by the functions <A HREF="function.yaz-connect.html" ><B CLASS="function" >yaz_connect()</B ></A >, <A HREF="function.yaz-search.html" ><B CLASS="function" >yaz_search()</B ></A >, <A HREF="function.yaz-present.html" ><B CLASS="function" >yaz_present()</B ></A >, <A HREF="function.yaz-scan.html" ><B CLASS="function" >yaz_scan()</B ></A > and <A HREF="function.yaz-itemorder.html" ><B CLASS="function" >yaz_itemorder()</B ></A >. </P ><P > <B CLASS="function" >yaz_wait()</B > returns when all servers have either completed all requests or aborted (in case of errors). </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN248831" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >options</CODE ></DT ><DD ><P > An associative array of options: <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><TT CLASS="literal" >timeout</TT ></DT ><DD ><P > Sets timeout in seconds. If a server has not responded within the timeout it is considered dead and <B CLASS="function" >yaz_wait()</B > returns. The default value for timeout is 15 seconds. </P ></DD ><DT ><TT CLASS="literal" >event</TT ></DT ><DD ><P > A boolean. </P ></DD ></DL ></DIV > </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN248852" ></A ><H2 >返回值</H2 ><P > 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 In event mode, returns resource or <TT CLASS="constant" ><B >FALSE</B ></TT > in case of an error. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.yaz-syntax.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="ref.nis.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >yaz_syntax</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.yaz.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >YP/NIS Functions</TD ></TR ></TABLE ></DIV ></BODY ></HTML >