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<title>Fetches the first column of a result set as a string</title>
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<h1 class="refname">sqlite_fetch_single</h1>
<h1 class="refname">SQLiteResult::fetchSingle</h1>
<h1 class="refname">SQLiteUnbuffered::fetchSingle</h1>
<p class="verinfo">(PHP 5 < 5.4.0, PECL sqlite >= 1.0.1)</p><p class="refpurpose"><span class="refname">sqlite_fetch_single</span> -- <span class="refname">SQLiteResult::fetchSingle</span> -- <span class="refname">SQLiteUnbuffered::fetchSingle</span> — <span class="dc-title">Fetches the first column of a result set as a string</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.sqlite-fetch-single-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>sqlite_fetch_single</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
[, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$decode_binary</code><span class="initializer"> = true</span></span>
] )</div>
<p class="para rdfs-comment">Object oriented style (method):</p>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>SQLiteResult::fetchSingle</strong></span>
([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$decode_binary</code><span class="initializer"> = true</span></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>SQLiteUnbuffered::fetchSingle</strong></span>
([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$decode_binary</code><span class="initializer"> = true</span></span>
] )</div>
<p class="para rdfs-comment">
<span class="function"><strong>sqlite_fetch_single()</strong></span> is identical to
<span class="function"><a href="function.sqlite-fetch-array.html" class="function">sqlite_fetch_array()</a></span> except that it returns the value
of the first column of the rowset.
</p>
<p class="para">
This is the most optimal way to retrieve data when you are only
interested in the values from a single column of data.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.sqlite-fetch-single-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">result</code></em></span>
<dd>
<p class="para">
The SQLite result resource. This parameter is not required when using
the object-oriented method.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">decode_binary</code></em></span>
<dd>
<p class="para">When the <em><code class="parameter">decode_binary</code></em>
parameter is set to <strong><code>TRUE</code></strong> (the default), PHP will decode the binary encoding
it applied to the data if it was encoded using the
<span class="function"><a href="function.sqlite-escape-string.html" class="function">sqlite_escape_string()</a></span>. You should normally leave this
value at its default, unless you are interoperating with databases created by
other sqlite capable applications.</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.sqlite-fetch-single-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the first column value, as a string.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.sqlite-fetch-single-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-2149">
<p><strong>Example #1 A <span class="function"><strong>sqlite_fetch_single()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">$dbhandle </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlite_open</span><span style="color: #007700">(</span><span style="color: #DD0000">'mysqlitedb'</span><span style="color: #007700">, </span><span style="color: #0000BB">0666</span><span style="color: #007700">, </span><span style="color: #0000BB">$sqliteerror</span><span style="color: #007700">)) {<br /><br /> </span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT id FROM sometable WHERE id = 42"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlite_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /><br /> if (</span><span style="color: #0000BB">sqlite_num_rows</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">) > </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">sqlite_fetch_single</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">); </span><span style="color: #FF8000">// 42<br /> </span><span style="color: #007700">}<br /> <br /> </span><span style="color: #0000BB">sqlite_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbhandle</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.sqlite-fetch-single-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.sqlite-fetch-array.html" class="function" rel="rdfs-seeAlso">sqlite_fetch_array()</a> - Fetches the next row from a result set as an array</span></li>
</ul>
</p>
</div>
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