Joomla! Documentation™

Provides a list of content languages..

• name (mandatory) is the unique name of the parameter.
• type (mandatory) must be text.
• label (mandatory) is the descriptive title of the field.
• description (optional) tooltip for the form field.

Example XML Definition from plugins/system/languagecode/languagecode.php

if ($languages = JLanguage::getKnownLanguages(JPATH_SITE))
{
	// Inject fields into the form
	foreach ($languages as $tag => $language)
	{
		$form->load('
			<form>
				<fields name="params">
					<fieldset
						name="languagecode"
						label="PLG_SYSTEM_LANGUAGECODE_FIELDSET_LABEL"
						description="PLG_SYSTEM_LANGUAGECODE_FIELDSET_DESC"
					>
						<field
							name="'.strtolower($tag).'"
							type="text"
							description="' . htmlspecialchars(JText::sprintf('PLG_SYSTEM_LANGUAGECODE_FIELD_DESC', $language['name']), ENT_COMPAT, 'UTF-8') . '"
							translate_description="false"
							label="' . $tag . '"
							translate_label="false"
							size="7"
							filter="cmd"
						/>
					</fieldset>
				</fields>
			</form>
		');
	}
}