gettext The gettext functions implement a NLS (Native Language Support) API which can be used to internationalize your PHP applications. Please see the GNU gettext documentation for a thorough explanation of these functions. bindtextdomain Sets the path for a domain string bindtextdomain string domain string directory The bindtextdomain function sets the path for a domain. dcgettext Overrides the domain for a single lookup string dcgettext string domain string message int category This function allows you to override the current domain for a single message lookup. It also allows you to specify a category. dgettext Override the current domain string dgettext string domain string message The dgettext function allows you to override the current domain for a single message lookup. gettext Lookup a message in the current domain string gettext string message This function returns a translated string if one is found in the translation table, or the submitted message if not found. You may use an underscore character as an alias to this function. <?php // Set language to German putenv ("LANG=de"); // Specify location of translation tables bindtextdomain ("myPHPApp", "./locale"); // Choose domain textdomain ("myPHPApp"); // Print a test message print (gettext ("Welcome to My PHP Application")); ?> textdomain Sets the default domain string textdomain string text_domain This function sets the domain to search within when calls are made to gettext, usually the named after an application. The previous default domain is returned. Call it with no parameters to get the current setting without changing it.