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<title>Number of columns in a result</title>
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<h1 class="refname">odbc_num_fields</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">odbc_num_fields</span> — <span class="dc-title">Number of columns in a result</span></p>
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<div class="refsect1 description" id="refsect1-function.odbc-num-fields-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>odbc_num_fields</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result_id</code></span>
)</div>
<p class="para rdfs-comment">
Gets the number of fields (columns) in an ODBC result.
</p>
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<div class="refsect1 parameters" id="refsect1-function.odbc-num-fields-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">result_id</code></em></span>
<dd>
<p class="para">
The result identifier returned by <span class="function"><a href="function.odbc-exec.html" class="function">odbc_exec()</a></span>.
</p>
</dd>
</dt>
</dl>
</p>
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<div class="refsect1 returnvalues" id="refsect1-function.odbc-num-fields-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the number of fields, or -1 on error.
</p>
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