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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- splitted from ./en/functions/info.xml, last change in rev 1.2 -->
<refentry id="function.get-cfg-var">
<refnamediv>
<refname>get_cfg_var</refname>
<refpurpose>
Gets the value of a PHP configuration option
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>string</type><methodname>get_cfg_var</methodname>
<methodparam><type>string</type><parameter>varname</parameter></methodparam>
</methodsynopsis>
<simpara>
Returns the current value of the PHP configuration variable
specified by <parameter>varname</parameter>, or &false; if an
error occurs.
</simpara>
<simpara>
It will not return configuration information set when the PHP was
compiled, or read from an Apache configuration file (using the
php3_configuration_option directives).
</simpara>
<simpara>
To check whether the system is using a <link
linkend="configuration.file">configuration file</link>, try
retrieving the value of the cfg_file_path configuration
setting. If this is available, a configuration file is being
used.
</simpara>
<simpara>
See also <function>ini_get</function>.
</simpara>
</refsect1>
</refentry>
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