Source of: /manual/en/function.mssql-num-fields.php
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<div id="function.mssql-num-fields" class="refentry">
<div class="refnamediv">
<h1 class="refname">mssql_num_fields</h1>
<p class="verinfo">(PHP 4, PHP 5, PECL odbtp >= 1.1.1)</p><p class="refpurpose"><span class="refname">mssql_num_fields</span> — <span class="dc-title">Gets the number of fields in result</span></p>
</div>
<a name="function.mssql-num-fields.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><b>mssql_num_fields</b></span>
( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$result</tt></span>
)</div>
<p class="para rdfs-comment">
<b>mssql_num_fields()</b> returns the number of
fields in a result set.
</p>
</div>
<a name="function.mssql-num-fields.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">result</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The result resource that is being evaluated. This result comes from a
call to <a href="function.mssql-query.php" class="function">mssql_query()</a>.
</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.mssql-num-fields.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the number of fields, as an integer.
</p>
</div>
<a name="function.mssql-num-fields.examples"></a><div class="refsect1 examples">
<h3 class="title">Examples</h3>
<p class="para">
</p><div class="example">
<p><b>Example #1 <b>mssql_num_fields()</b> example</b></p>
<div class="example-contents programlisting">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Connect to MSSQL<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'KALLESPC\SQLEXPRESS'</span><span style="color: #007700">, </span><span style="color: #DD0000">'sa'</span><span style="color: #007700">, </span><span style="color: #DD0000">'phpfi'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">mssql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">'php'</span><span style="color: #007700">, </span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Select some data from our database<br /></span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_query</span><span style="color: #007700">(</span><span style="color: #DD0000">'SELECT [name], [age] FROM [php].[dbo].[persons]'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Construct a table<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'<table border="1">'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$header </span><span style="color: #007700">= </span><span style="color: #0000BB">false</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Iterate through returned results<br /></span><span style="color: #007700">while(</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">))<br />{<br /> </span><span style="color: #FF8000">// Build the table header<br /> </span><span style="color: #007700">if(!</span><span style="color: #0000BB">$header</span><span style="color: #007700">)<br /> {<br /> echo </span><span style="color: #DD0000">'<thead>'</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">'<tr>'</span><span style="color: #007700">;<br /><br /> for(</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">; (</span><span style="color: #0000BB">$i </span><span style="color: #007700">+ </span><span style="color: #0000BB">1</span><span style="color: #007700">) <= </span><span style="color: #0000BB">mssql_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">); ++</span><span style="color: #0000BB">$i</span><span style="color: #007700">)<br /> {<br /> echo </span><span style="color: #DD0000">'<td>' </span><span style="color: #007700">. </span><span style="color: #0000BB">ucfirst</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]) . </span><span style="color: #DD0000">'</td>'</span><span style="color: #007700">;<br /> }<br /><br /> echo </span><span style="color: #DD0000">'</tr>'</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">'</thead>'</span><span style="color: #007700">;<br /> echo </span><span style="color: #DD0000">'<tbody>'</span><span style="color: #007700">;<br /><br /> </span><span style="color: #0000BB">$header </span><span style="color: #007700">= </span><span style="color: #0000BB">true</span><span style="color: #007700">;<br /> }<br /><br /> </span><span style="color: #FF8000">// Build the row<br /> </span><span style="color: #007700">echo </span><span style="color: #DD0000">'<tr>'</span><span style="color: #007700">;<br /><br /> foreach(</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$value</span><span style="color: #007700">)<br /> {<br /> echo </span><span style="color: #DD0000">'<td>' </span><span style="color: #007700">. </span><span style="color: #0000BB">$value </span><span style="color: #007700">. </span><span style="color: #DD0000">'</td>'</span><span style="color: #007700">;<br /> }<br /><br /> echo </span><span style="color: #DD0000">'</tr>'</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// Close table<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'</tbody>'</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">'</table>'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Clean up<br /></span><span style="color: #0000BB">mssql_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">mssql_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div><p>
</p>
</div>
<a name="function.mssql-num-fields.seealso"></a><div class="refsect1 seealso">
<h3 class="title">See Also</h3>
<p class="para">
</p><ul class="simplelist">
<li class="member"><a href="function.mssql-query.php" class="function" rel="rdfs-seeAlso">mssql_query()</a> - Send MS SQL query</li>
<li class="member"><a href="function.mssql-fetch-field.php" class="function" rel="rdfs-seeAlso">mssql_fetch_field()</a> - Get field information</li>
<li class="member"><a href="function.mssql-num-rows.php" class="function" rel="rdfs-seeAlso">mssql_num_rows()</a> - Gets the number of rows in result</li>
</ul><p>
</p>
</div>
</div><?php manual_footer(); ?>