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<title>Adjusts the result pointer to an arbitrary row in the result</title>
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<h1 class="refname">mysqli_result::data_seek</h1>
<h1 class="refname">mysqli_data_seek</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">mysqli_result::data_seek</span> -- <span class="refname">mysqli_data_seek</span> — <span class="dc-title">Adjusts the result pointer to an arbitrary row in the result</span></p>
</div>
<div class="refsect1 description" id="refsect1-mysqli-result.data-seek-description">
<h3 class="title">Description</h3>
<p class="para">Object oriented style</p>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>mysqli_result::data_seek</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</code></span>
)</div>
<p class="para rdfs-comment">Procedural style</p>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>mysqli_data_seek</strong></span>
( <span class="methodparam"><span class="type"><a href="class.mysqli-result.html" class="type mysqli_result">mysqli_result</a></span> <code class="parameter">$result</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$offset</code></span>
)</div>
<p class="para rdfs-comment">
The <span class="function"><strong>mysqli_data_seek()</strong></span> function seeks to an arbitrary
result pointer specified by the <em><code class="parameter">offset</code></em> in the
result set.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-mysqli-result.data-seek-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">Procedural style only: A result set
identifier returned by <span class="function"><a href="mysqli.query.html" class="function">mysqli_query()</a></span>, <span class="function"><a href="mysqli.store-result.html" class="function">mysqli_store_result()</a></span>
or <span class="function"><a href="mysqli.use-result.html" class="function">mysqli_use_result()</a></span>.</p></dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">offset</code></em></span>
<dd>
<p class="para">
The field offset. Must be between zero and the total number of rows
minus one (0.. <span class="function"><a href="mysqli-result.num-rows.html" class="function">mysqli_num_rows()</a></span> - 1).
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-mysqli-result.data-seek-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure.
</p>
</div>
<div class="refsect1 notes" id="refsect1-mysqli-result.data-seek-notes">
<h3 class="title">Notes</h3>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
This function can only be used with buffered results attained from the
use of the <span class="function"><a href="mysqli.store-result.html" class="function">mysqli_store_result()</a></span> or
<span class="function"><a href="mysqli.query.html" class="function">mysqli_query()</a></span> functions.
</p>
</p></blockquote>
</div>
<div class="refsect1 examples" id="refsect1-mysqli-result.data-seek-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-1725">
<p><strong>Example #1 Object oriented style</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Open a connection */<br /></span><span style="color: #0000BB">$mysqli </span><span style="color: #007700">= new </span><span style="color: #0000BB">mysqli</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_user"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_password"</span><span style="color: #007700">, </span><span style="color: #DD0000">"world"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">mysqli_connect_errno</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">mysqli_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT Name, CountryCode FROM City ORDER BY Name"</span><span style="color: #007700">;<br />if (</span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-></span><span style="color: #0000BB">query</span><span style="color: #007700">( </span><span style="color: #0000BB">$query</span><span style="color: #007700">)) {<br /><br /> </span><span style="color: #FF8000">/* seek to row no. 400 */<br /> </span><span style="color: #0000BB">$result</span><span style="color: #007700">-></span><span style="color: #0000BB">data_seek</span><span style="color: #007700">(</span><span style="color: #0000BB">399</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">/* fetch row */<br /> </span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">$result</span><span style="color: #007700">-></span><span style="color: #0000BB">fetch_row</span><span style="color: #007700">();<br /><br /> </span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"City: %s Countrycode: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">], </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]);<br /><br /> </span><span style="color: #FF8000">/* free result set*/<br /> </span><span style="color: #0000BB">$result</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br />}<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-></span><span style="color: #0000BB">close</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
<div class="example" id="example-1726">
<p><strong>Example #2 Procedural style</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Open a connection */<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_user"</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_password"</span><span style="color: #007700">, </span><span style="color: #DD0000">"world"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* check connection */<br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">$link</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Connect failed: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">mysqli_connect_error</span><span style="color: #007700">());<br /> exit();<br />}<br /><br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">"SELECT Name, CountryCode FROM City ORDER BY Name"</span><span style="color: #007700">;<br /><br />if (</span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$query</span><span style="color: #007700">)) {<br /><br /> </span><span style="color: #FF8000">/* seek to row no. 400 */<br /> </span><span style="color: #0000BB">mysqli_data_seek</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">399</span><span style="color: #007700">);<br /><br /> </span><span style="color: #FF8000">/* fetch row */<br /> </span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">mysqli_fetch_row</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">printf </span><span style="color: #007700">(</span><span style="color: #DD0000">"City: %s Countrycode: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">], </span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]);<br /><br /> </span><span style="color: #FF8000">/* free result set*/<br /> </span><span style="color: #0000BB">mysqli_free_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/* close connection */<br /></span><span style="color: #0000BB">mysqli_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above examples will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
City: Benin City Countrycode: NGA
</pre></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-mysqli-result.data-seek-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="mysqli.store-result.html" class="function" rel="rdfs-seeAlso">mysqli_store_result()</a> - Transfers a result set from the last query</span></li>
<li class="member"> <span class="function"><a href="mysqli-result.fetch-row.html" class="function" rel="rdfs-seeAlso">mysqli_fetch_row()</a> - Get a result row as an enumerated array</span></li>
<li class="member"> <span class="function"><a href="mysqli-result.fetch-array.html" class="function" rel="rdfs-seeAlso">mysqli_fetch_array()</a> - Fetch a result row as an associative, a numeric array, or both</span></li>
<li class="member"> <span class="function"><a href="mysqli-result.fetch-assoc.html" class="function" rel="rdfs-seeAlso">mysqli_fetch_assoc()</a> - Fetch a result row as an associative array</span></li>
<li class="member"> <span class="function"><a href="mysqli-result.fetch-object.html" class="function" rel="rdfs-seeAlso">mysqli_fetch_object()</a> - Returns the current row of a result set as an object</span></li>
<li class="member"> <span class="function"><a href="mysqli.query.html" class="function" rel="rdfs-seeAlso">mysqli_query()</a> - Performs a query on the database</span></li>
<li class="member"> <span class="function"><a href="mysqli-result.num-rows.html" class="function" rel="rdfs-seeAlso">mysqli_num_rows()</a> - Gets the number of rows in a result</span></li>
</ul>
</p>
</div>
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