add P_sprintf

classes/pluginhost.php

@@ -13,6 +13,14 @@ function P_ngettext($plugin, $singular, $plural, $number) {
 	return _dngettext(PLuginHost::object_to_domain($plugin), $singular, $plural, $number);
 }
 
+function P_sprintf() {
+	$args = func_get_args();
+	$plugin = array_shift($args);
+	$msgid = array_shift($args);
+
+	return vsprintf(P__($plugin, $msgid), $args);
+}
+
 class PluginHost {
 	private $pdo;
 	private $hooks = array();