View source for JLanguageHelper/detectLanguage

===Description===
Tries to detect the language

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	<nowiki>[</nowiki>[[Description:JLanguageHelper/detectLanguage|Edit Descripton]]<nowiki>]</nowiki>
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{{Description:JLanguageHelper/detectLanguage}}

===Syntax===
<source lang="php">detectLanguage()</source>


===Returns===
string locale 

===Defined in===
libraries/joomla/language/helper.php
===Importing===
<source lang="php">jimport( 'joomla.language.helper' );</source>

===Source Body===
<source lang="php">
function detectLanguage()
{
        if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE']))
        {
                $systemLangs    = JLanguage::getKnownLanguages();
                $browserLangs   = explode( ',', $_SERVER['HTTP_ACCEPT_LANGUAGE'] );

                foreach ($browserLangs as $browserLang)
                {
                        // slice out the part before ; on first step, the part before - on second, place into array
                        $browserLang = substr( $browserLang, 0, strcspn( $browserLang, ';' ) );
                        $primary_browserLang = substr( $browserLang, 0, 2 );

                        foreach($systemLangs as $systemLang => $metadata)
                        {
                                if (strtolower($browserLang) == strtolower(substr($metadata['tag'], 0, strlen($browserLang)))) {
                                        return $systemLang;
                                } elseif ($primary_browserLang == substr($metadata['tag'], 0, 2)) {
                                        $primaryDetectedLang = $systemLang;
                                }
                        }

                        if (isset($primaryDetectedLang)) {
                                return $primaryDetectedLang;
                        }
                }
        }

        return 'en-GB';
}
</source>

<span class="editsection" style="font-size:76%;">
	<nowiki>[</nowiki>[[SeeAlso:JLanguageHelper/detectLanguage|Edit See Also]]<nowiki>]</nowiki>
</span>
{{SeeAlso:JLanguageHelper/detectLanguage}}

===Examples===
<CodeExamplesForm />
<dpl>
 noresultsheader=\n
 category=detectLanguage
 category=JLanguageHelper
 category=CodeExample
 category=MethodExample
 include=*
 format= ,,,
</dpl>