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<title>Seek to specified line</title>
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<h1 class="refname">SplFileObject::seek</h1>
<p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">SplFileObject::seek</span> — <span class="dc-title">Seek to specified line</span></p>
</div>
<div class="refsect1 description" id="refsect1-splfileobject.seek-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>SplFileObject::seek</strong></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$line_pos</code></span>
)</div>
<p class="para rdfs-comment">
Seek to specified line in the file.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-splfileobject.seek-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">line_pos</code></em></span>
<dd>
<p class="para">
The zero-based line number to seek to.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-splfileobject.seek-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 errors" id="refsect1-splfileobject.seek-errors">
<h3 class="title">Errors/Exceptions</h3>
<p class="para">
Throws a <a href="class.logicexception.html" class="classname">LogicException</a> if the
<em><code class="parameter">line_pos</code></em> is negative.
</p>
</div>
<div class="refsect1 examples" id="refsect1-splfileobject.seek-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3971">
<p><strong>Example #1 <span class="methodname"><strong>SplFileObject::seek()</strong></span> example</strong></p>
<div class="example-contents"><p>This example outputs the third line of the script which is found at position 2.</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$file </span><span style="color: #007700">= new </span><span style="color: #0000BB">SplFileObject</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$file</span><span style="color: #007700">-></span><span style="color: #0000BB">seek</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$file</span><span style="color: #007700">-></span><span style="color: #0000BB">current</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
$file->seek(2);
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-splfileobject.seek-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="splfileobject.current.html" class="methodname" rel="rdfs-seeAlso">SplFileObject::current()</a> - Retrieve current line of file</span></li>
<li class="member"> <span class="methodname"><a href="splfileobject.key.html" class="methodname" rel="rdfs-seeAlso">SplFileObject::key()</a> - Get line number</span></li>
<li class="member"> <span class="methodname"><a href="splfileobject.next.html" class="methodname" rel="rdfs-seeAlso">SplFileObject::next()</a> - Read next line</span></li>
<li class="member"> <span class="methodname"><a href="splfileobject.rewind.html" class="methodname" rel="rdfs-seeAlso">SplFileObject::rewind()</a> - Rewind the file to the first line</span></li>
<li class="member"> <span class="methodname"><a href="splfileobject.valid.html" class="methodname" rel="rdfs-seeAlso">SplFileObject::valid()</a> - Not at EOF</span></li>
</ul>
</p>
</div>
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