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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Get the next field name</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.fdf-header.html">fdf_header</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fdf-open-string.html">fdf_open_string</a></div> <div class="up"><a href="ref.fdf.html">FDF Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.fdf-next-field-name" class="refentry"> <div class="refnamediv"> <h1 class="refname">fdf_next_field_name</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">fdf_next_field_name</span> — <span class="dc-title">Get the next field name</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>fdf_next_field_name</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$fdf_document</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$fieldname</tt></span> ] )</div> <p class="para rdfs-comment"> Gets the name of the field after the given field. This name can be used with several functions. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">fdf_document</tt></i></span> <dd> <p class="para"> The FDF document handle, returned by <a href="function.fdf-create.html" class="function">fdf_create()</a>, <a href="function.fdf-open.html" class="function">fdf_open()</a> or <a href="function.fdf-open-string.html" class="function">fdf_open_string()</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">fieldname</tt></i></span> <dd> <p class="para"> Name of the FDF field, as a string. If not given, the first field will be assumed. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the field name as a string. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Detecting all fieldnames in a FDF</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$fdf </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_open</span><span style="color: #007700">(</span><span style="color: #0000BB">$HTTP_FDF_DATA</span><span style="color: #007700">);<br />for (</span><span style="color: #0000BB">$field </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_next_field_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">$field </span><span style="color: #007700">!= </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$field </span><span style="color: #007700">= </span><span style="color: #0000BB">fdf_next_field_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$fdf</span><span style="color: #007700">, </span><span style="color: #0000BB">$field</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"field: $field\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.fdf-get-value.html" class="function" rel="rdfs-seeAlso">fdf_get_value()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.fdf-header.html">fdf_header</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fdf-open-string.html">fdf_open_string</a></div> <div class="up"><a href="ref.fdf.html">FDF Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>?? 快捷鍵說明
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