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<title>Get the number of fields in a result set</title>
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<div class="refnamediv">
<h1 class="refname">ibase_num_fields</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">ibase_num_fields</span> — <span class="dc-title">Get the number of fields in a result set</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ibase-num-fields-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>ibase_num_fields</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result_id</code></span>
)</div>
<p class="para rdfs-comment">
Get the number of fields in a result set.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ibase-num-fields-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">result_id</code></em></span>
<dd>
<p class="para">
An InterBase result identifier.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ibase-num-fields-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the number of fields as an integer.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ibase-num-fields-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-1111">
<p><strong>Example #1 <span class="function"><strong>ibase_num_fields()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$rs </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_query</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT * FROM tablename"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$coln </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$rs</span><span style="color: #007700">);<br />for (</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">$coln</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700">++) {<br /> </span><span style="color: #0000BB">$col_info </span><span style="color: #007700">= </span><span style="color: #0000BB">ibase_field_info</span><span style="color: #007700">(</span><span style="color: #0000BB">$rs</span><span style="color: #007700">, </span><span style="color: #0000BB">$i</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">"name: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'name'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"alias: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'alias'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"relation: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'relation'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"length: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'length'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">"type: " </span><span style="color: #007700">. </span><span style="color: #0000BB">$col_info</span><span style="color: #007700">[</span><span style="color: #DD0000">'type'</span><span style="color: #007700">] . </span><span style="color: #DD0000">"\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" id="refsect1-function.ibase-num-fields-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.ibase-field-info.html" class="function" rel="rdfs-seeAlso">ibase_field_info()</a> - Get information about a field</span></li>
</ul>
</p>
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