<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ovrimos_num_fields</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="Ovrimos SQL Functions" HREF="ref.ovrimos.html"><LINK REL="PREVIOUS" TITLE="ovrimos_longreadlen" HREF="function.ovrimos-longreadlen.html"><LINK REL="NEXT" TITLE="ovrimos_num_rows" HREF="function.ovrimos-num-rows.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.ovrimos-longreadlen.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.ovrimos-num-rows.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ovrimos-num-fields" ></A >ovrimos_num_fields</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN166726" ></A ><P > (PHP 4 >= 4.0.3, PHP 5)</P >ovrimos_num_fields -- Returns the number of columns</DIV ><DIV CLASS="refsect1" ><A NAME="AEN166729" ></A ><H2 >说明</H2 >int <B CLASS="methodname" >ovrimos_num_fields</B > ( int result_id )<BR ></BR ><P > Returns the number of columns in the specified result identifier. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN166738" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >result_id</CODE ></DT ><DD ><P > A result identifier, returned by <A HREF="function.ovrimos-execute.html" ><B CLASS="function" >ovrimos_execute()</B ></A > or <A HREF="function.ovrimos-exec.html" ><B CLASS="function" >ovrimos_exec()</B ></A >. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN166749" ></A ><H2 >返回值</H2 ><P > Returns the number of columns as an integer, or <TT CLASS="constant" ><B >FALSE</B ></TT > on error. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN166753" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.ovrimos-num-rows.html" ><B CLASS="function" >ovrimos_num_rows()</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.ovrimos-longreadlen.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.ovrimos-num-rows.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ovrimos_longreadlen</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.ovrimos.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ovrimos_num_rows</TD ></TR ></TABLE ></DIV ></BODY ></HTML >