<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >rpm_get_tag</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="RPM Header Reading 函数" HREF="ref.rpmreader.html"><LINK REL="PREVIOUS" TITLE="rpm_close" HREF="function.rpm-close.html"><LINK REL="NEXT" TITLE="rpm_is_valid" HREF="function.rpm-is-valid.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.rpm-close.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="function.rpm-is-valid.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.rpm-get-tag" ></A >rpm_get_tag</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN198153" ></A ><P > (no version information, might be only in CVS)</P >rpm_get_tag -- Retrieves a header tag from an RPM file</DIV ><DIV CLASS="refsect1" ><A NAME="AEN198156" ></A ><H2 >说明</H2 >mixed <B CLASS="methodname" >rpm_get_tag</B > ( resource rpmr, int tagnum )<BR ></BR ><P > <B CLASS="function" >rpm_get_tag()</B > will retrieve a given tag from the RPM file's header and return it. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN198169" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >rpmr</CODE ></DT ><DD ><P > A file pointer resource successfully opened by <A HREF="function.rpm-open.html" ><B CLASS="function" >rpm_open()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >tagnum</CODE ></DT ><DD ><P > The tag number to retrieve from the RPM header. This value can be specified using the list of constants defined by this module. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN198184" ></A ><H2 >返回值</H2 ><P > The return value can be of various types depending on the <CODE CLASS="parameter" >tagnum</CODE > supplied to the function. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN198188" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN198191" ></A ><P ><B >例 1. <B CLASS="function" >rpm_get_tag()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br />$file </font><font color="#007700">= </font><font color="#DD0000">"/path/to/file.rpm"</font><font color="#007700">;<br /></font><font color="#0000BB">$rpmr </font><font color="#007700">= </font><font color="#0000BB">rpm_open</font><font color="#007700">(</font><font color="#0000BB">$file</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$name </font><font color="#007700">= </font><font color="#0000BB">rpm_get_tag</font><font color="#007700">(</font><font color="#0000BB">$rpmr</font><font color="#007700">, </font><font color="#0000BB">RPMREADER_NAME</font><font color="#007700">);<br />echo </font><font color="#DD0000">"$name<br></font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br /><br /></font><font color="#0000BB">rpm_close</font><font color="#007700">(</font><font color="#0000BB">$rpmr</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN198195" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.rpm-open.html" ><B CLASS="function" >rpm_open()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.rpm-close.html" ><B CLASS="function" >rpm_close()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </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.rpm-close.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="function.rpm-is-valid.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >rpm_close</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.rpmreader.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >rpm_is_valid</TD ></TR ></TABLE ></DIV ></BODY ></HTML >