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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Returns the specification of a single field</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.px-get-field" class="refentry">
<div class="refnamediv">
<h1 class="refname">px_get_field</h1>
<p class="verinfo">(PECL paradox &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">px_get_field</span> &mdash; <span class="dc-title">Returns the specification of a single field</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.px-get-field-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>px_get_field</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$pxdoc</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$fieldno</code></span>
) : <span class="type">array</span></div>
</div>
<div class="refsect1 parameters" id="refsect1-function.px-get-field-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">pxdoc</code></dt>
<dd>
<p class="para">
Resource identifier of the paradox database
as returned by <span class="function"><a href="px_new.html" class="function">px_new()</a></span>.
</p>
</dd>
<dt>
<code class="parameter">fieldno</code></dt>
<dd>
<p class="para">
Number of the field. The first field has number 0. Specifying a field
number less than 0 and greater or equal the number of fields will
trigger an error.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.px-get-field-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Returns the specification of the <strong class="option unknown">fieldno</strong>
&#039;th database
field as an associated array. The array contains three fields named
<em>name</em>, <em>type</em>, and
<em>size</em>.
</p>
</div>
</div></div></div></body></html>