<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mysql_fetch_lengths</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="MySQL 函数" HREF="ref.mysql.html"><LINK REL="PREVIOUS" TITLE="mysql_fetch_field" HREF="function.mysql-fetch-field.html"><LINK REL="NEXT" TITLE="mysql_fetch_object" HREF="function.mysql-fetch-object.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.mysql-fetch-field.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.mysql-fetch-object.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mysql-fetch-lengths" ></A >mysql_fetch_lengths</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN135585" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >mysql_fetch_lengths -- 取得结果集中每个输出的长度 </DIV ><DIV CLASS="refsect1" ><A NAME="AEN135588" ></A ><H2 >说明</H2 >array <B CLASS="methodname" >mysql_fetch_lengths</B > ( resource result )<BR ></BR ><P > 以数组返回上一次用 <A HREF="function.mysql-fetch-row.html" ><B CLASS="function" >mysql_fetch_row()</B ></A > 取得的行中每个字段的长度,如果出错返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ><P > <B CLASS="function" >mysql_fetch_lengths()</B > 将上一次 <A HREF="function.mysql-fetch-row.html" ><B CLASS="function" >mysql_fetch_row()</B ></A >,<A HREF="function.mysql-fetch-array.html" ><B CLASS="function" >mysql_fetch_array()</B ></A > 和 <A HREF="function.mysql-fetch-object.html" ><B CLASS="function" >mysql_fetch_object()</B ></A > 所返回的每个列的长度储存到一个数组中,偏移量从 0 开始。 </P ><P > 参见 <A HREF="function.mysql-fetch-row.html" ><B CLASS="function" >mysql_fetch_row()</B ></A >。 </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.mysql-fetch-field.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.mysql-fetch-object.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mysql_fetch_field</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mysql.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mysql_fetch_object</TD ></TR ></TABLE ></DIV ></BODY ></HTML >