Substitution works by replacing tokens like "{$foo}" with the value
of the parameter named "foo" (if supplied).
/**
* Wrapper around PKPLocale::translate().
*
* Enables us to work with translated strings everywhere without
* introducing a lot of duplicate code and without getting
* blisters on our fingers.
*
* This is similar to WordPress' solution for translation, see
* <http://codex.wordpress.org/Translating_WordPress>.
*
* @see PKPLocale::translate()
*
* @param $key string
* @param $params array named substitution parameters
* @param $locale string the locale to use
* @return string
*/
function __($key, $params = array(), $locale = null)
{
return PKPLocale::translate($key, $params, $locale);
}
