<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >posix_getgrgid</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="POSIX Functions" HREF="ref.posix.html"><LINK REL="PREVIOUS" TITLE="posix_getgid" HREF="function.posix-getgid.html"><LINK REL="NEXT" TITLE="posix_getgrnam" HREF="function.posix-getgrnam.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.posix-getgid.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.posix-getgrnam.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.posix-getgrgid" ></A >posix_getgrgid</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN182938" ></A ><P > (PHP 3 >= 3.0.13, PHP 4, PHP 5)</P >posix_getgrgid -- Return info about a group by group id</DIV ><DIV CLASS="refsect1" ><A NAME="AEN182941" ></A ><H2 >说明</H2 >array <B CLASS="methodname" >posix_getgrgid</B > ( int gid )<BR ></BR ><P > Gets information about a group provided its id. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN182950" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >gid</CODE ></DT ><DD ><P > The group id. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN182959" ></A ><H2 >返回值</H2 ><P > Returns an <A HREF="language.types.array.html" ><B CLASS="type" >array</B ></A > of information about a group and <TT CLASS="constant" ><B >FALSE</B ></TT > on failure. If <CODE CLASS="parameter" >gid</CODE > isn't a number then <TT CLASS="constant" ><B >NULL</B ></TT > is returned and an <TT CLASS="constant" ><B >E_WARNING</B ></TT > level error is generated. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN182967" ></A ><H2 >更新日志</H2 ><P > <DIV CLASS="informaltable" ><P ></P ><A NAME="AEN182970" ></A ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >版本</TH ><TH >说明</TH ></TR ></THEAD ><TBODY ><TR ><TD >4.2.0</TD ><TD > Prior to this version, members was simply an integer representing the number of members in the group, and the member names were returned with numerical indices. </TD ></TR ></TBODY ></TABLE ><P ></P ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN182980" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN182983" ></A ><P ><B >例 1. Example use of <B CLASS="function" >posix_getgrgid()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br />$groupid </font><font color="#007700">= </font><font color="#0000BB">posix_getegid</font><font color="#007700">();<br /></font><font color="#0000BB">$groupinfo </font><font color="#007700">= </font><font color="#0000BB">posix_getgrgid</font><font color="#007700">(</font><font color="#0000BB">$groupid</font><font color="#007700">);<br /><br /></font><font color="#0000BB">print_r</font><font color="#007700">(</font><font color="#0000BB">$groupinfo</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >上例的输出类似于:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >Array ( [name] => toons [passwd] => x [members] => Array ( [0] => tom [1] => jerry ) [gid] => 42 )</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN182989" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.posix-getegid.html" ><B CLASS="function" >posix_getegid()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.filegroup.html" ><B CLASS="function" >filegroup()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.stat.html" ><B CLASS="function" >stat()</B ></A ></TD ></TR ><TR ><TD ><A HREF="features.safe-mode.html#ini.safe-mode-gid" >safe_mode_gid</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.posix-getgid.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.posix-getgrnam.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >posix_getgid</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.posix.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >posix_getgrnam</TD ></TR ></TABLE ></DIV ></BODY ></HTML >