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<title>Restores the value of a configuration option</title>
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</div><hr /><div id="function.ini-restore" class="refentry">
<div class="refnamediv">
<h1 class="refname">ini_restore</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ini_restore</span> — <span class="dc-title">Restores the value of a configuration option</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ini-restore-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>ini_restore</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$varname</code></span>
)</div>
<p class="para rdfs-comment">
Restores a given configuration option to its original value.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ini-restore-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">varname</code></em></span>
<dd>
<p class="para">
The configuration option name.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ini-restore-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ini-restore-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-502">
<p><strong>Example #1 <span class="function"><strong>ini_restore()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$setting </span><span style="color: #007700">= </span><span style="color: #DD0000">'y2k_compliance'</span><span style="color: #007700">;<br /><br />echo </span><span style="color: #DD0000">'Current value for \'' </span><span style="color: #007700">. </span><span style="color: #0000BB">$setting </span><span style="color: #007700">. </span><span style="color: #DD0000">'\': ' </span><span style="color: #007700">. </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">), </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">, </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">) ? </span><span style="color: #0000BB">0 </span><span style="color: #007700">: </span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">'New value for \'' </span><span style="color: #007700">. </span><span style="color: #0000BB">$setting </span><span style="color: #007700">. </span><span style="color: #DD0000">'\': ' </span><span style="color: #007700">. </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">), </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">ini_restore</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">'Original value for \'' </span><span style="color: #007700">. </span><span style="color: #0000BB">$setting </span><span style="color: #007700">. </span><span style="color: #DD0000">'\': ' </span><span style="color: #007700">. </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$setting</span><span style="color: #007700">), </span><span style="color: #0000BB">PHP_EOL</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:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Current value for 'y2k_compliance': 1
New value for 'y2k_compliance': 0
Original value for 'y2k_compliance': 1
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.ini-restore-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.ini-get.html" class="function" rel="rdfs-seeAlso">ini_get()</a> - Gets the value of a configuration option</span></li>
<li class="member"> <span class="function"><a href="function.ini-get-all.html" class="function" rel="rdfs-seeAlso">ini_get_all()</a> - Gets all configuration options</span></li>
<li class="member"> <span class="function"><a href="function.ini-set.html" class="function" rel="rdfs-seeAlso">ini_set()</a> - Sets the value of a configuration option</span></li>
</ul>
</p>
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