<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >fdf_next_field_name</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="Forms Data Format Functions" HREF="ref.fdf.html"><LINK REL="PREVIOUS" TITLE="fdf_header" HREF="function.fdf-header.html"><LINK REL="NEXT" TITLE="fdf_open_string" HREF="function.fdf-open-string.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.fdf-header.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.fdf-open-string.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.fdf-next-field-name" ></A >fdf_next_field_name</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN50272" ></A ><P > (PHP 3 >= 3.0.6, PHP 4, PHP 5)</P >fdf_next_field_name -- Get the next field name</DIV ><DIV CLASS="refsect1" ><A NAME="AEN50275" ></A ><H2 >说明</H2 >string <B CLASS="methodname" >fdf_next_field_name</B > ( resource fdf_document [, string fieldname] )<BR ></BR ><P > Gets the name of the field after the given field. This name can be used with several functions. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN50287" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >fdf_document</CODE ></DT ><DD ><P > The FDF document handle, returned by <A HREF="function.fdf-create.html" ><B CLASS="function" >fdf_create()</B ></A >, <A HREF="function.fdf-open.html" ><B CLASS="function" >fdf_open()</B ></A > or <A HREF="function.fdf-open-string.html" ><B CLASS="function" >fdf_open_string()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >fieldname</CODE ></DT ><DD ><P > Name of the FDF field, as a string. If not given, the first field will be assumed. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN50304" ></A ><H2 >返回值</H2 ><P > Returns the field name as a string. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN50307" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN50310" ></A ><P ><B >例 1. Detecting all fieldnames in a FDF</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$fdf </font><font color="#007700">= </font><font color="#0000BB">fdf_open</font><font color="#007700">(</font><font color="#0000BB">$HTTP_FDF_DATA</font><font color="#007700">);<br />for (</font><font color="#0000BB">$field </font><font color="#007700">= </font><font color="#0000BB">fdf_next_field_name</font><font color="#007700">(</font><font color="#0000BB">$fdf</font><font color="#007700">);<br /> </font><font color="#0000BB">$field </font><font color="#007700">!= </font><font color="#DD0000">""</font><font color="#007700">;<br /> </font><font color="#0000BB">$field </font><font color="#007700">= </font><font color="#0000BB">fdf_next_field_name</font><font color="#007700">(</font><font color="#0000BB">$fdf</font><font color="#007700">, </font><font color="#0000BB">$field</font><font color="#007700">)) {<br /> echo </font><font color="#DD0000">"field: $field</font><font color="#007700">\n</font><font color="#DD0000">"</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="AEN50313" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.fdf-get-value.html" ><B CLASS="function" >fdf_get_value()</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.fdf-header.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.fdf-open-string.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fdf_header</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.fdf.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >fdf_open_string</TD ></TR ></TABLE ></DIV ></BODY ></HTML >