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<title>Gets the value of a PHP configuration option</title>
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<div class="refnamediv">
<h1 class="refname">get_cfg_var</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">get_cfg_var</span> — <span class="dc-title">Gets the value of a PHP configuration option</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.get-cfg-var-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>get_cfg_var</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$option</code></span>
)</div>
<p class="para rdfs-comment">
Gets the value of a PHP configuration <em><code class="parameter">option</code></em>.
</p>
<p class="para">
This function will not return configuration information set when the PHP
was compiled, or read from an Apache configuration file.
</p>
<p class="para">
To check whether the system is using a <a href="configuration.file.html" class="link">configuration file</a>, try retrieving the
value of the cfg_file_path configuration setting. If this is available, a
configuration file is being used.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.get-cfg-var-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">option</code></em></span>
<dd>
<p class="para">
The configuration option name.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.get-cfg-var-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the current value of the PHP configuration variable specified by
<em><code class="parameter">option</code></em>, or <strong><code>FALSE</code></strong> if an error occurs.
</p>
</div>
<div class="refsect1 changelog" id="refsect1-function.get-cfg-var-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>5.3.0</td>
<td>
<span class="function"><strong>get_cfg_var()</strong></span> was fixed to be able
to return "array" ini options.
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.get-cfg-var-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>
</ul>
</p>
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